18960990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4547}}^1$

素因数の和:4696

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 26882850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4547, 9094, 13641, 22735, 27282, 45470, 68205, 136410, 632033, 1264066, 1896099, 3160165, 3792198, 6320330, 9480495, 18960990]

約数ペア:

[(1, 18960990), (2, 9480495), (3, 6320330), (5, 3792198), (6, 3160165), (10, 1896099), (15, 1264066), (30, 632033), (139, 136410), (278, 68205), (417, 45470), (695, 27282), (834, 22735), (1390, 13641), (2085, 9094), (4170, 4547)]