18517875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 34145280

約数和(自身を除く): 15627405

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 113, 115, 125, 285, 339, 345, 375, 437, 475, 565, 575, 1311, 1425, 1695, 1725, 2147, 2185, 2375, 2599, 2825, 2875, 6441, 6555, 7125, 7797, 8475, 8625, 10735, 10925, 12995, 14125, 32205, 32775, 38985, 42375, 49381, 53675, 54625, 64975, 148143, 161025, 163875, 194925, 246905, 268375, 324875, 740715, 805125, 974625, 1234525, 3703575, 6172625, 18517875]

約数ペア:

[(1, 18517875), (3, 6172625), (5, 3703575), (15, 1234525), (19, 974625), (23, 805125), (25, 740715), (57, 324875), (69, 268375), (75, 246905), (95, 194925), (113, 163875), (115, 161025), (125, 148143), (285, 64975), (339, 54625), (345, 53675), (375, 49381), (437, 42375), (475, 38985), (565, 32775), (575, 32205), (1311, 14125), (1425, 12995), (1695, 10925), (1725, 10735), (2147, 8625), (2185, 8475), (2375, 7797), (2599, 7125), (2825, 6555), (2875, 6441)]