18638625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2202

約数の個数: 32

約数和(自身を含む): 32378112

約数和(自身を除く): 13739487

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2161, 2875, 6483, 8625, 10805, 32415, 49703, 54025, 149109, 162075, 248515, 270125, 745545, 810375, 1242575, 3727725, 6212875, 18638625]

約数ペア:

[(1, 18638625), (3, 6212875), (5, 3727725), (15, 1242575), (23, 810375), (25, 745545), (69, 270125), (75, 248515), (115, 162075), (125, 149109), (345, 54025), (375, 49703), (575, 32415), (1725, 10805), (2161, 8625), (2875, 6483)]