1918020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 5785920

約数和(自身を除く): 3867900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2459, 4918, 7377, 9836, 12295, 14754, 24590, 29508, 31967, 36885, 49180, 63934, 73770, 95901, 127868, 147540, 159835, 191802, 319670, 383604, 479505, 639340, 959010, 1918020]

約数ペア:

[(1, 1918020), (2, 959010), (3, 639340), (4, 479505), (5, 383604), (6, 319670), (10, 191802), (12, 159835), (13, 147540), (15, 127868), (20, 95901), (26, 73770), (30, 63934), (39, 49180), (52, 36885), (60, 31967), (65, 29508), (78, 24590), (130, 14754), (156, 12295), (195, 9836), (260, 7377), (390, 4918), (780, 2459)]