18748395

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 33652800

約数和(自身を除く): 14904405

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1229, 1695, 3051, 3687, 5085, 6145, 11061, 15255, 18435, 33183, 55305, 138877, 165915, 416631, 694385, 1249893, 2083155, 3749679, 6249465, 18748395]

約数ペア:

[(1, 18748395), (3, 6249465), (5, 3749679), (9, 2083155), (15, 1249893), (27, 694385), (45, 416631), (113, 165915), (135, 138877), (339, 55305), (565, 33183), (1017, 18435), (1229, 15255), (1695, 11061), (3051, 6145), (3687, 5085)]