19643640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163697}}^1$

素因数の和:163711

約数の個数: 32

約数和(自身を含む): 58931280

約数和(自身を除く): 39287640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163697, 327394, 491091, 654788, 818485, 982182, 1309576, 1636970, 1964364, 2455455, 3273940, 3928728, 4910910, 6547880, 9821820, 19643640]

約数ペア:

[(1, 19643640), (2, 9821820), (3, 6547880), (4, 4910910), (5, 3928728), (6, 3273940), (8, 2455455), (10, 1964364), (12, 1636970), (15, 1309576), (20, 982182), (24, 818485), (30, 654788), (40, 491091), (60, 327394), (120, 163697)]