18348980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70573}}^1$

素因数の和:70595

約数の個数: 24

約数和(自身を含む): 41497512

約数和(自身を除く): 23148532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70573, 141146, 282292, 352865, 705730, 917449, 1411460, 1834898, 3669796, 4587245, 9174490, 18348980]

約数ペア:

[(1, 18348980), (2, 9174490), (4, 4587245), (5, 3669796), (10, 1834898), (13, 1411460), (20, 917449), (26, 705730), (52, 352865), (65, 282292), (130, 141146), (260, 70573)]