18533908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 15221996

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 548, 1091, 2182, 4247, 4364, 8494, 16988, 33821, 67642, 135284, 149467, 298934, 597868, 4633477, 9266954, 18533908]

約数ペア:

[(1, 18533908), (2, 9266954), (4, 4633477), (31, 597868), (62, 298934), (124, 149467), (137, 135284), (274, 67642), (548, 33821), (1091, 16988), (2182, 8494), (4247, 4364)]