19713710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115963}}^1$

素因数の和:115987

約数の個数: 16

約数和(自身を含む): 37572336

約数和(自身を除く): 17858626

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115963, 231926, 579815, 1159630, 1971371, 3942742, 9856855, 19713710]

約数ペア:

[(1, 19713710), (2, 9856855), (5, 3942742), (10, 1971371), (17, 1159630), (34, 579815), (85, 231926), (170, 115963)]