18854355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 14691885

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3119, 6045, 9357, 15595, 40547, 46785, 96689, 121641, 202735, 290067, 483445, 608205, 1256957, 1450335, 3770871, 6284785, 18854355]

約数ペア:

[(1, 18854355), (3, 6284785), (5, 3770871), (13, 1450335), (15, 1256957), (31, 608205), (39, 483445), (65, 290067), (93, 202735), (155, 121641), (195, 96689), (403, 46785), (465, 40547), (1209, 15595), (2015, 9357), (3119, 6045)]