18530746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 31385088

約数和(自身を除く): 12854342

約数列:

[1, 2, 13, 26, 31, 62, 83, 166, 277, 403, 554, 806, 1079, 2158, 2573, 3601, 5146, 7202, 8587, 17174, 22991, 33449, 45982, 66898, 111631, 223262, 298883, 597766, 712721, 1425442, 9265373, 18530746]

約数ペア:

[(1, 18530746), (2, 9265373), (13, 1425442), (26, 712721), (31, 597766), (62, 298883), (83, 223262), (166, 111631), (277, 66898), (403, 45982), (554, 33449), (806, 22991), (1079, 17174), (2158, 8587), (2573, 7202), (3601, 5146)]