18678242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6481}}^1$

素因数の和:6625

約数の個数: 16

約数和(自身を含む): 30802464

約数和(自身を除く): 12124222

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6481, 12962, 71291, 142582, 849011, 1698022, 9339121, 18678242]

約数ペア:

[(1, 18678242), (2, 9339121), (11, 1698022), (22, 849011), (131, 142582), (262, 71291), (1441, 12962), (2882, 6481)]