19378060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74531}}^1$

素因数の和:74553

約数の個数: 24

約数和(自身を含む): 43824816

約数和(自身を除く): 24446756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74531, 149062, 298124, 372655, 745310, 968903, 1490620, 1937806, 3875612, 4844515, 9689030, 19378060]

約数ペア:

[(1, 19378060), (2, 9689030), (4, 4844515), (5, 3875612), (10, 1937806), (13, 1490620), (20, 968903), (26, 745310), (52, 372655), (65, 298124), (130, 149062), (260, 74531)]