18380188

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 14641892

約数列:

[1, 2, 4, 53, 106, 181, 212, 362, 479, 724, 958, 1916, 9593, 19186, 25387, 38372, 50774, 86699, 101548, 173398, 346796, 4595047, 9190094, 18380188]

約数ペア:

[(1, 18380188), (2, 9190094), (4, 4595047), (53, 346796), (106, 173398), (181, 101548), (212, 86699), (362, 50774), (479, 38372), (724, 25387), (958, 19186), (1916, 9593)]