17789902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12692018

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 419, 598, 838, 923, 1633, 1846, 3266, 5447, 9637, 10894, 19274, 21229, 29749, 42458, 59498, 125281, 250562, 386737, 684227, 773474, 1368454, 8894951, 17789902]

約数ペア:

[(1, 17789902), (2, 8894951), (13, 1368454), (23, 773474), (26, 684227), (46, 386737), (71, 250562), (142, 125281), (299, 59498), (419, 42458), (598, 29749), (838, 21229), (923, 19274), (1633, 10894), (1846, 9637), (3266, 5447)]