18604861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 21362688

約数和(自身を除く): 2757827

約数列:

[1, 11, 23, 151, 253, 487, 1661, 3473, 5357, 11201, 38203, 73537, 123211, 808907, 1691351, 18604861]

約数ペア:

[(1, 18604861), (11, 1691351), (23, 808907), (151, 123211), (253, 73537), (487, 38203), (1661, 11201), (3473, 5357)]