18990507201

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1861267}}^1$

素因数の和:1861468

約数の個数: 16

約数和(自身を含む): 26802259200

約数和(自身を除く): 7811751999

約数列:

[1, 3, 19, 57, 179, 537, 3401, 10203, 1861267, 5583801, 35364073, 106092219, 333166793, 999500379, 6330169067, 18990507201]

約数ペア:

[(1, 18990507201), (3, 6330169067), (19, 999500379), (57, 333166793), (179, 106092219), (537, 35364073), (3401, 5583801), (10203, 1861267)]