19618408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144253}}^1$

素因数の和:144276

約数の個数: 16

約数和(自身を含む): 38948580

約数和(自身を除く): 19330172

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144253, 288506, 577012, 1154024, 2452301, 4904602, 9809204, 19618408]

約数ペア:

[(1, 19618408), (2, 9809204), (4, 4904602), (8, 2452301), (17, 1154024), (34, 577012), (68, 288506), (136, 144253)]