18685770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4481}}^1$

素因数の和:4630

約数の個数: 32

約数和(自身を含む): 45178560

約数和(自身を除く): 26492790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4481, 8962, 13443, 22405, 26886, 44810, 67215, 134430, 622859, 1245718, 1868577, 3114295, 3737154, 6228590, 9342885, 18685770]

約数ペア:

[(1, 18685770), (2, 9342885), (3, 6228590), (5, 3737154), (6, 3114295), (10, 1868577), (15, 1245718), (30, 622859), (139, 134430), (278, 67215), (417, 44810), (695, 26886), (834, 22405), (1390, 13443), (2085, 8962), (4170, 4481)]