19925388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2191

約数の個数: 72

約数和(自身を含む): 59145632

約数和(自身を除く): 39220244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2137, 2331, 3108, 4274, 4662, 6411, 8548, 9324, 12822, 14959, 19233, 25644, 29918, 38466, 44877, 59836, 76932, 79069, 89754, 134631, 158138, 179508, 237207, 269262, 316276, 474414, 538524, 553483, 711621, 948828, 1106966, 1423242, 1660449, 2213932, 2846484, 3320898, 4981347, 6641796, 9962694, 19925388]

約数ペア:

[(1, 19925388), (2, 9962694), (3, 6641796), (4, 4981347), (6, 3320898), (7, 2846484), (9, 2213932), (12, 1660449), (14, 1423242), (18, 1106966), (21, 948828), (28, 711621), (36, 553483), (37, 538524), (42, 474414), (63, 316276), (74, 269262), (84, 237207), (111, 179508), (126, 158138), (148, 134631), (222, 89754), (252, 79069), (259, 76932), (333, 59836), (444, 44877), (518, 38466), (666, 29918), (777, 25644), (1036, 19233), (1332, 14959), (1554, 12822), (2137, 9324), (2331, 8548), (3108, 6411), (4274, 4662)]