18679928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{56951}}^1$

素因数の和:56998

約数の個数: 16

約数和(自身を含む): 35879760

約数和(自身を除く): 17199832

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 56951, 113902, 227804, 455608, 2334991, 4669982, 9339964, 18679928]

約数ペア:

[(1, 18679928), (2, 9339964), (4, 4669982), (8, 2334991), (41, 455608), (82, 227804), (164, 113902), (328, 56951)]