18623211620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{184133}}^1$

素因数の和:184544

約数の個数: 48

約数和(自身を含む): 42225608880

約数和(自身を除く): 23602397260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 3890, 5057, 7780, 10114, 20228, 25285, 50570, 101140, 184133, 368266, 736532, 920665, 1841330, 2393729, 3682660, 4787458, 9574916, 11968645, 23937290, 47874580, 71627737, 143255474, 286510948, 358138685, 716277370, 931160581, 1432554740, 1862321162, 3724642324, 4655802905, 9311605810, 18623211620]

約数ペア:

[(1, 18623211620), (2, 9311605810), (4, 4655802905), (5, 3724642324), (10, 1862321162), (13, 1432554740), (20, 931160581), (26, 716277370), (52, 358138685), (65, 286510948), (130, 143255474), (260, 71627737), (389, 47874580), (778, 23937290), (1556, 11968645), (1945, 9574916), (3890, 4787458), (5057, 3682660), (7780, 2393729), (10114, 1841330), (20228, 920665), (25285, 736532), (50570, 368266), (101140, 184133)]