1990928376

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15714

約数の個数: 128

約数和(自身を含む): 6009600000

約数和(自身を除く): 4018671624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 31, 36, 38, 54, 57, 62, 72, 76, 93, 108, 114, 124, 152, 171, 186, 216, 228, 248, 279, 342, 372, 456, 513, 558, 589, 684, 744, 837, 1026, 1116, 1178, 1368, 1674, 1767, 2052, 2232, 2356, 3348, 3534, 4104, 4712, 5301, 6696, 7068, 10602, 14136, 15649, 15903, 21204, 31298, 31806, 42408, 46947, 62596, 63612, 93894, 125192, 127224, 140841, 187788, 281682, 297331, 375576, 422523, 485119, 563364, 594662, 845046, 891993, 970238, 1126728, 1189324, 1455357, 1690092, 1783986, 1940476, 2378648, 2675979, 2910714, 3380184, 3567972, 3880952, 4366071, 5351958, 5821428, 7135944, 8027937, 8732142, 9217261, 10703916, 11642856, 13098213, 16055874, 17464284, 18434522, 21407832, 26196426, 27651783, 32111748, 34928568, 36869044, 52392852, 55303566, 64223496, 73738088, 82955349, 104785704, 110607132, 165910698, 221214264, 248866047, 331821396, 497732094, 663642792, 995464188, 1990928376]

約数ペア:

[(1, 1990928376), (2, 995464188), (3, 663642792), (4, 497732094), (6, 331821396), (8, 248866047), (9, 221214264), (12, 165910698), (18, 110607132), (19, 104785704), (24, 82955349), (27, 73738088), (31, 64223496), (36, 55303566), (38, 52392852), (54, 36869044), (57, 34928568), (62, 32111748), (72, 27651783), (76, 26196426), (93, 21407832), (108, 18434522), (114, 17464284), (124, 16055874), (152, 13098213), (171, 11642856), (186, 10703916), (216, 9217261), (228, 8732142), (248, 8027937), (279, 7135944), (342, 5821428), (372, 5351958), (456, 4366071), (513, 3880952), (558, 3567972), (589, 3380184), (684, 2910714), (744, 2675979), (837, 2378648), (1026, 1940476), (1116, 1783986), (1178, 1690092), (1368, 1455357), (1674, 1189324), (1767, 1126728), (2052, 970238), (2232, 891993), (2356, 845046), (3348, 594662), (3534, 563364), (4104, 485119), (4712, 422523), (5301, 375576), (6696, 297331), (7068, 281682), (10602, 187788), (14136, 140841), (15649, 127224), (15903, 125192), (21204, 93894), (31298, 63612), (31806, 62596), (42408, 46947)]