18788897570690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12799}}^1\times {\mathrm{490969}}^1$

素因数の和:503811

約数の個数: 64

約数和(自身を含む): 38008147968000

約数和(自身を除く): 19219250397310

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 12799, 25598, 63995, 127990, 166387, 294377, 332774, 490969, 588754, 831935, 981938, 1471885, 1663870, 2454845, 2943770, 3826901, 4909690, 6382597, 7653802, 11292287, 12765194, 19134505, 22584574, 31912985, 38269010, 56461435, 63825970, 112922870, 146799731, 293599462, 733998655, 1467997310, 6283912231, 12567824462, 31419561155, 62839122310, 81690859003, 144529981313, 163381718006, 289059962626, 408454295015, 722649906565, 816908590030, 1445299813130, 1878889757069, 3757779514138, 9394448785345, 18788897570690]

約数ペア:

[(1, 18788897570690), (2, 9394448785345), (5, 3757779514138), (10, 1878889757069), (13, 1445299813130), (23, 816908590030), (26, 722649906565), (46, 408454295015), (65, 289059962626), (115, 163381718006), (130, 144529981313), (230, 81690859003), (299, 62839122310), (598, 31419561155), (1495, 12567824462), (2990, 6283912231), (12799, 1467997310), (25598, 733998655), (63995, 293599462), (127990, 146799731), (166387, 112922870), (294377, 63825970), (332774, 56461435), (490969, 38269010), (588754, 31912985), (831935, 22584574), (981938, 19134505), (1471885, 12765194), (1663870, 11292287), (2454845, 7653802), (2943770, 6382597), (3826901, 4909690)]