18974001855

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{152017}}^1$

素因数の和:152235

約数の個数: 32

約数和(自身を含む): 31128421824

約数和(自身を除く): 12154419969

約数列:

[1, 3, 5, 15, 53, 157, 159, 265, 471, 785, 795, 2355, 8321, 24963, 41605, 124815, 152017, 456051, 760085, 2280255, 8056901, 23866669, 24170703, 40284505, 71600007, 119333345, 120853515, 358000035, 1264933457, 3794800371, 6324667285, 18974001855]

約数ペア:

[(1, 18974001855), (3, 6324667285), (5, 3794800371), (15, 1264933457), (53, 358000035), (157, 120853515), (159, 119333345), (265, 71600007), (471, 40284505), (785, 24170703), (795, 23866669), (2355, 8056901), (8321, 2280255), (24963, 760085), (41605, 456051), (124815, 152017)]