19752070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151939}}^1$

素因数の和:151959

約数の個数: 16

約数和(自身を含む): 38288880

約数和(自身を除く): 18536810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151939, 303878, 759695, 1519390, 1975207, 3950414, 9876035, 19752070]

約数ペア:

[(1, 19752070), (2, 9876035), (5, 3950414), (10, 1975207), (13, 1519390), (26, 759695), (65, 303878), (130, 151939)]