19416550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 39051072

約数和(自身を除く): 19634522

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 425, 431, 530, 850, 862, 901, 1325, 1802, 2155, 2650, 4310, 4505, 7327, 9010, 10775, 14654, 21550, 22525, 22843, 36635, 45050, 45686, 73270, 114215, 183175, 228430, 366350, 388331, 571075, 776662, 1142150, 1941655, 3883310, 9708275, 19416550]

約数ペア:

[(1, 19416550), (2, 9708275), (5, 3883310), (10, 1941655), (17, 1142150), (25, 776662), (34, 571075), (50, 388331), (53, 366350), (85, 228430), (106, 183175), (170, 114215), (265, 73270), (425, 45686), (431, 45050), (530, 36635), (850, 22843), (862, 22525), (901, 21550), (1325, 14654), (1802, 10775), (2155, 9010), (2650, 7327), (4310, 4505)]