18938928

素因数分解:

$2^4\times 3^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 49082176

約数和(自身を除く): 30143248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 571, 691, 1142, 1382, 1713, 2073, 2284, 2764, 3426, 4146, 4568, 5528, 6852, 8292, 9136, 11056, 13704, 16584, 27408, 33168, 394561, 789122, 1183683, 1578244, 2367366, 3156488, 4734732, 6312976, 9469464, 18938928]

約数ペア:

[(1, 18938928), (2, 9469464), (3, 6312976), (4, 4734732), (6, 3156488), (8, 2367366), (12, 1578244), (16, 1183683), (24, 789122), (48, 394561), (571, 33168), (691, 27408), (1142, 16584), (1382, 13704), (1713, 11056), (2073, 9136), (2284, 8292), (2764, 6852), (3426, 5528), (4146, 4568)]