18705570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47963}}^1$

素因数の和:47986

約数の個数: 32

約数和(自身を含む): 48347712

約数和(自身を除く): 29642142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47963, 95926, 143889, 239815, 287778, 479630, 623519, 719445, 1247038, 1438890, 1870557, 3117595, 3741114, 6235190, 9352785, 18705570]

約数ペア:

[(1, 18705570), (2, 9352785), (3, 6235190), (5, 3741114), (6, 3117595), (10, 1870557), (13, 1438890), (15, 1247038), (26, 719445), (30, 623519), (39, 479630), (65, 287778), (78, 239815), (130, 143889), (195, 95926), (390, 47963)]