1999897668

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 192

約数和(自身を含む): 5698560000

約数和(自身を除く): 3698662332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 149, 171, 186, 211, 228, 279, 298, 342, 372, 422, 447, 513, 558, 589, 596, 633, 684, 837, 844, 894, 1026, 1116, 1178, 1266, 1341, 1674, 1767, 1788, 1899, 2052, 2356, 2532, 2682, 2831, 3348, 3534, 3798, 4009, 4023, 4619, 5301, 5364, 5662, 5697, 6541, 7068, 7596, 8018, 8046, 8493, 9238, 10602, 11324, 11394, 12027, 13082, 13857, 15903, 16036, 16092, 16986, 18476, 19623, 21204, 22788, 24054, 25479, 26164, 27714, 31439, 31806, 33972, 36081, 39246, 41571, 48108, 50958, 55428, 58869, 62878, 63612, 72162, 76437, 78492, 83142, 87761, 94317, 101916, 108243, 117738, 124279, 124713, 125756, 144324, 152874, 166284, 175522, 176607, 188634, 216486, 235476, 248558, 249426, 263283, 282951, 305748, 351044, 353214, 372837, 377268, 432972, 497116, 498852, 526566, 565902, 597341, 706428, 745674, 789849, 848853, 974609, 1053132, 1118511, 1131804, 1194682, 1491348, 1579698, 1697706, 1792023, 1949218, 2237022, 2369547, 2389364, 2923827, 3159396, 3355533, 3395412, 3584046, 3898436, 4474044, 4739094, 5376069, 5847654, 6711066, 7168092, 8771481, 9478188, 10752138, 11695308, 13422132, 16128207, 17542962, 18517571, 21504276, 26314443, 32256414, 35085924, 37035142, 52628886, 55552713, 64512828, 74070284, 105257772, 111105426, 166658139, 222210852, 333316278, 499974417, 666632556, 999948834, 1999897668]

約数ペア:

[(1, 1999897668), (2, 999948834), (3, 666632556), (4, 499974417), (6, 333316278), (9, 222210852), (12, 166658139), (18, 111105426), (19, 105257772), (27, 74070284), (31, 64512828), (36, 55552713), (38, 52628886), (54, 37035142), (57, 35085924), (62, 32256414), (76, 26314443), (93, 21504276), (108, 18517571), (114, 17542962), (124, 16128207), (149, 13422132), (171, 11695308), (186, 10752138), (211, 9478188), (228, 8771481), (279, 7168092), (298, 6711066), (342, 5847654), (372, 5376069), (422, 4739094), (447, 4474044), (513, 3898436), (558, 3584046), (589, 3395412), (596, 3355533), (633, 3159396), (684, 2923827), (837, 2389364), (844, 2369547), (894, 2237022), (1026, 1949218), (1116, 1792023), (1178, 1697706), (1266, 1579698), (1341, 1491348), (1674, 1194682), (1767, 1131804), (1788, 1118511), (1899, 1053132), (2052, 974609), (2356, 848853), (2532, 789849), (2682, 745674), (2831, 706428), (3348, 597341), (3534, 565902), (3798, 526566), (4009, 498852), (4023, 497116), (4619, 432972), (5301, 377268), (5364, 372837), (5662, 353214), (5697, 351044), (6541, 305748), (7068, 282951), (7596, 263283), (8018, 249426), (8046, 248558), (8493, 235476), (9238, 216486), (10602, 188634), (11324, 176607), (11394, 175522), (12027, 166284), (13082, 152874), (13857, 144324), (15903, 125756), (16036, 124713), (16092, 124279), (16986, 117738), (18476, 108243), (19623, 101916), (21204, 94317), (22788, 87761), (24054, 83142), (25479, 78492), (26164, 76437), (27714, 72162), (31439, 63612), (31806, 62878), (33972, 58869), (36081, 55428), (39246, 50958), (41571, 48108)]