18987960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{158233}}^1$

素因数の和:158247

約数の個数: 32

約数和(自身を含む): 56964240

約数和(自身を除く): 37976280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 158233, 316466, 474699, 632932, 791165, 949398, 1265864, 1582330, 1898796, 2373495, 3164660, 3797592, 4746990, 6329320, 9493980, 18987960]

約数ペア:

[(1, 18987960), (2, 9493980), (3, 6329320), (4, 4746990), (5, 3797592), (6, 3164660), (8, 2373495), (10, 1898796), (12, 1582330), (15, 1265864), (20, 949398), (24, 791165), (30, 632932), (40, 474699), (60, 316466), (120, 158233)]