18437835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4111}}^1$

素因数の和:4155

約数の個数: 32

約数和(自身を含む): 33159168

約数和(自身を除く): 14721333

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4111, 4485, 12333, 20555, 53443, 61665, 94553, 160329, 267215, 283659, 472765, 801645, 1229189, 1418295, 3687567, 6145945, 18437835]

約数ペア:

[(1, 18437835), (3, 6145945), (5, 3687567), (13, 1418295), (15, 1229189), (23, 801645), (39, 472765), (65, 283659), (69, 267215), (115, 160329), (195, 94553), (299, 61665), (345, 53443), (897, 20555), (1495, 12333), (4111, 4485)]