18249979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 20782080

約数和(自身を除く): 2532101

約数列:

[1, 11, 31, 109, 341, 491, 1199, 3379, 5401, 15221, 37169, 53519, 167431, 588709, 1659089, 18249979]

約数ペア:

[(1, 18249979), (11, 1659089), (31, 588709), (109, 167431), (341, 53519), (491, 37169), (1199, 15221), (3379, 5401)]