19347640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 48535200

約数和(自身を除く): 29187560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1283, 1508, 1885, 2566, 3016, 3770, 5132, 6415, 7540, 10264, 12830, 15080, 16679, 25660, 33358, 37207, 51320, 66716, 74414, 83395, 133432, 148828, 166790, 186035, 297656, 333580, 372070, 483691, 667160, 744140, 967382, 1488280, 1934764, 2418455, 3869528, 4836910, 9673820, 19347640]

約数ペア:

[(1, 19347640), (2, 9673820), (4, 4836910), (5, 3869528), (8, 2418455), (10, 1934764), (13, 1488280), (20, 967382), (26, 744140), (29, 667160), (40, 483691), (52, 372070), (58, 333580), (65, 297656), (104, 186035), (116, 166790), (130, 148828), (145, 133432), (232, 83395), (260, 74414), (290, 66716), (377, 51320), (520, 37207), (580, 33358), (754, 25660), (1160, 16679), (1283, 15080), (1508, 12830), (1885, 10264), (2566, 7540), (3016, 6415), (3770, 5132)]