18709858

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1013

約数の個数: 16

約数和(自身を含む): 28871640

約数和(自身を除く): 10161782

約数列:

[1, 2, 41, 82, 401, 569, 802, 1138, 16441, 23329, 32882, 46658, 228169, 456338, 9354929, 18709858]

約数ペア:

[(1, 18709858), (2, 9354929), (41, 456338), (82, 228169), (401, 46658), (569, 32882), (802, 23329), (1138, 16441)]