18893295

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8933}}^1$

素因数の和:8991

約数の個数: 24

約数和(自身を含む): 33448896

約数和(自身を除く): 14555601

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 8933, 26799, 44665, 80397, 133995, 401985, 419851, 1259553, 2099255, 3778659, 6297765, 18893295]

約数ペア:

[(1, 18893295), (3, 6297765), (5, 3778659), (9, 2099255), (15, 1259553), (45, 419851), (47, 401985), (141, 133995), (235, 80397), (423, 44665), (705, 26799), (2115, 8933)]