19707284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 36664488

約数和(自身を除く): 16957204

約数列:

[1, 2, 4, 17, 34, 68, 353, 706, 821, 1412, 1642, 3284, 6001, 12002, 13957, 24004, 27914, 55828, 289813, 579626, 1159252, 4926821, 9853642, 19707284]

約数ペア:

[(1, 19707284), (2, 9853642), (4, 4926821), (17, 1159252), (34, 579626), (68, 289813), (353, 55828), (706, 27914), (821, 24004), (1412, 13957), (1642, 12002), (3284, 6001)]