15511721980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10567}}^1\times {\mathrm{3863}}^1$

素因数の和:14458

約数の個数: 48

約数和(自身を含む): 34301191680

約数和(自身を除く): 18789469700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3863, 7726, 10567, 15452, 19315, 21134, 38630, 42268, 52835, 73397, 77260, 105670, 146794, 200773, 211340, 293588, 366985, 401546, 733970, 803092, 1003865, 1467940, 2007730, 4015460, 40820321, 81640642, 163281284, 204101605, 408203210, 775586099, 816406420, 1551172198, 3102344396, 3877930495, 7755860990, 15511721980]

約数ペア:

[(1, 15511721980), (2, 7755860990), (4, 3877930495), (5, 3102344396), (10, 1551172198), (19, 816406420), (20, 775586099), (38, 408203210), (76, 204101605), (95, 163281284), (190, 81640642), (380, 40820321), (3863, 4015460), (7726, 2007730), (10567, 1467940), (15452, 1003865), (19315, 803092), (21134, 733970), (38630, 401546), (42268, 366985), (52835, 293588), (73397, 211340), (77260, 200773), (105670, 146794)]