18959724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 39101076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 809, 837, 868, 1116, 1302, 1618, 1674, 1953, 2427, 2604, 3236, 3348, 3906, 4854, 5663, 5859, 7281, 7812, 9708, 11326, 11718, 14562, 16989, 21843, 22652, 23436, 25079, 29124, 33978, 43686, 50158, 50967, 67956, 75237, 87372, 100316, 101934, 150474, 152901, 175553, 203868, 225711, 300948, 305802, 351106, 451422, 526659, 611604, 677133, 702212, 902844, 1053318, 1354266, 1579977, 2106636, 2708532, 3159954, 4739931, 6319908, 9479862, 18959724]

約数ペア:

[(1, 18959724), (2, 9479862), (3, 6319908), (4, 4739931), (6, 3159954), (7, 2708532), (9, 2106636), (12, 1579977), (14, 1354266), (18, 1053318), (21, 902844), (27, 702212), (28, 677133), (31, 611604), (36, 526659), (42, 451422), (54, 351106), (62, 305802), (63, 300948), (84, 225711), (93, 203868), (108, 175553), (124, 152901), (126, 150474), (186, 101934), (189, 100316), (217, 87372), (252, 75237), (279, 67956), (372, 50967), (378, 50158), (434, 43686), (558, 33978), (651, 29124), (756, 25079), (809, 23436), (837, 22652), (868, 21843), (1116, 16989), (1302, 14562), (1618, 11718), (1674, 11326), (1953, 9708), (2427, 7812), (2604, 7281), (3236, 5859), (3348, 5663), (3906, 4854)]