18686158

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1409}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 29610000

約数和(自身を除く): 10923842

約数列:

[1, 2, 19, 38, 349, 698, 1409, 2818, 6631, 13262, 26771, 53542, 491741, 983482, 9343079, 18686158]

約数ペア:

[(1, 18686158), (2, 9343079), (19, 983482), (38, 491741), (349, 53542), (698, 26771), (1409, 13262), (2818, 6631)]