18549920

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 25576288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 607, 764, 955, 1214, 1528, 1910, 2428, 3035, 3056, 3820, 4856, 6070, 6112, 7640, 9712, 12140, 15280, 19424, 24280, 30560, 48560, 97120, 115937, 231874, 463748, 579685, 927496, 1159370, 1854992, 2318740, 3709984, 4637480, 9274960, 18549920]

約数ペア:

[(1, 18549920), (2, 9274960), (4, 4637480), (5, 3709984), (8, 2318740), (10, 1854992), (16, 1159370), (20, 927496), (32, 579685), (40, 463748), (80, 231874), (160, 115937), (191, 97120), (382, 48560), (607, 30560), (764, 24280), (955, 19424), (1214, 15280), (1528, 12140), (1910, 9712), (2428, 7640), (3035, 6112), (3056, 6070), (3820, 4856)]