18219742

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:683

約数の個数: 16

約数和(自身を含む): 27756432

約数和(自身を除く): 9536690

約数列:

[1, 2, 131, 197, 262, 353, 394, 706, 25807, 46243, 51614, 69541, 92486, 139082, 9109871, 18219742]

約数ペア:

[(1, 18219742), (2, 9109871), (131, 139082), (197, 92486), (262, 69541), (353, 51614), (394, 46243), (706, 25807)]