19664316

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 63033600

約数和(自身を除く): 43369284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 37, 38, 42, 54, 57, 63, 74, 76, 84, 108, 111, 114, 126, 133, 148, 171, 189, 222, 228, 252, 259, 266, 333, 342, 378, 399, 444, 513, 518, 532, 666, 684, 703, 756, 777, 798, 999, 1026, 1036, 1197, 1332, 1369, 1406, 1554, 1596, 1998, 2052, 2109, 2331, 2394, 2738, 2812, 3108, 3591, 3996, 4107, 4218, 4662, 4788, 4921, 5476, 6327, 6993, 7182, 8214, 8436, 9324, 9583, 9842, 12321, 12654, 13986, 14364, 14763, 16428, 18981, 19166, 19684, 24642, 25308, 26011, 27972, 28749, 29526, 36963, 37962, 38332, 44289, 49284, 52022, 57498, 59052, 73926, 75924, 78033, 86247, 88578, 104044, 114996, 132867, 147852, 156066, 172494, 177156, 182077, 234099, 258741, 265734, 312132, 344988, 364154, 468198, 517482, 531468, 546231, 702297, 728308, 936396, 1034964, 1092462, 1404594, 1638693, 2184924, 2809188, 3277386, 4916079, 6554772, 9832158, 19664316]

約数ペア:

[(1, 19664316), (2, 9832158), (3, 6554772), (4, 4916079), (6, 3277386), (7, 2809188), (9, 2184924), (12, 1638693), (14, 1404594), (18, 1092462), (19, 1034964), (21, 936396), (27, 728308), (28, 702297), (36, 546231), (37, 531468), (38, 517482), (42, 468198), (54, 364154), (57, 344988), (63, 312132), (74, 265734), (76, 258741), (84, 234099), (108, 182077), (111, 177156), (114, 172494), (126, 156066), (133, 147852), (148, 132867), (171, 114996), (189, 104044), (222, 88578), (228, 86247), (252, 78033), (259, 75924), (266, 73926), (333, 59052), (342, 57498), (378, 52022), (399, 49284), (444, 44289), (513, 38332), (518, 37962), (532, 36963), (666, 29526), (684, 28749), (703, 27972), (756, 26011), (777, 25308), (798, 24642), (999, 19684), (1026, 19166), (1036, 18981), (1197, 16428), (1332, 14763), (1369, 14364), (1406, 13986), (1554, 12654), (1596, 12321), (1998, 9842), (2052, 9583), (2109, 9324), (2331, 8436), (2394, 8214), (2738, 7182), (2812, 6993), (3108, 6327), (3591, 5476), (3996, 4921), (4107, 4788), (4218, 4662)]