19462820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74857}}^1$

素因数の和:74879

約数の個数: 24

約数和(自身を含む): 44016504

約数和(自身を除く): 24553684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74857, 149714, 299428, 374285, 748570, 973141, 1497140, 1946282, 3892564, 4865705, 9731410, 19462820]

約数ペア:

[(1, 19462820), (2, 9731410), (4, 4865705), (5, 3892564), (10, 1946282), (13, 1497140), (20, 973141), (26, 748570), (52, 374285), (65, 299428), (130, 149714), (260, 74857)]