18773510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 38802240

約数和(自身を除く): 20028730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 997, 1345, 1883, 1994, 2690, 3766, 4985, 6979, 9415, 9970, 13958, 18830, 34895, 69790, 268193, 536386, 1340965, 1877351, 2681930, 3754702, 9386755, 18773510]

約数ペア:

[(1, 18773510), (2, 9386755), (5, 3754702), (7, 2681930), (10, 1877351), (14, 1340965), (35, 536386), (70, 268193), (269, 69790), (538, 34895), (997, 18830), (1345, 13958), (1883, 9970), (1994, 9415), (2690, 6979), (3766, 4985)]