19455238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21569}}^1$

素因数の和:21623

約数の個数: 16

約数和(自身を含む): 32613840

約数和(自身を除く): 13158602

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21569, 43138, 237259, 474518, 884329, 1768658, 9727619, 19455238]

約数ペア:

[(1, 19455238), (2, 9727619), (11, 1768658), (22, 884329), (41, 474518), (82, 237259), (451, 43138), (902, 21569)]