18389460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{306491}}^1$

素因数の和:306503

約数の個数: 24

約数和(自身を含む): 51490656

約数和(自身を除く): 33101196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 306491, 612982, 919473, 1225964, 1532455, 1838946, 3064910, 3677892, 4597365, 6129820, 9194730, 18389460]

約数ペア:

[(1, 18389460), (2, 9194730), (3, 6129820), (4, 4597365), (5, 3677892), (6, 3064910), (10, 1838946), (12, 1532455), (15, 1225964), (20, 919473), (30, 612982), (60, 306491)]