19551984

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 52868640

約数和(自身を除く): 33316656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 101, 109, 111, 148, 202, 218, 222, 296, 303, 327, 404, 436, 444, 592, 606, 654, 808, 872, 888, 1212, 1308, 1616, 1744, 1776, 2424, 2616, 3737, 4033, 4848, 5232, 7474, 8066, 11009, 11211, 12099, 14948, 16132, 22018, 22422, 24198, 29896, 32264, 33027, 44036, 44844, 48396, 59792, 64528, 66054, 88072, 89688, 96792, 132108, 176144, 179376, 193584, 264216, 407333, 528432, 814666, 1221999, 1629332, 2443998, 3258664, 4887996, 6517328, 9775992, 19551984]

約数ペア:

[(1, 19551984), (2, 9775992), (3, 6517328), (4, 4887996), (6, 3258664), (8, 2443998), (12, 1629332), (16, 1221999), (24, 814666), (37, 528432), (48, 407333), (74, 264216), (101, 193584), (109, 179376), (111, 176144), (148, 132108), (202, 96792), (218, 89688), (222, 88072), (296, 66054), (303, 64528), (327, 59792), (404, 48396), (436, 44844), (444, 44036), (592, 33027), (606, 32264), (654, 29896), (808, 24198), (872, 22422), (888, 22018), (1212, 16132), (1308, 14948), (1616, 12099), (1744, 11211), (1776, 11009), (2424, 8066), (2616, 7474), (3737, 5232), (4033, 4848)]