18447760

素因数分解:

$2^4\times 5^1\times {\mathrm{230597}}^1$

素因数の和:230610

約数の個数: 20

約数和(自身を含む): 42891228

約数和(自身を除く): 24443468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230597, 461194, 922388, 1152985, 1844776, 2305970, 3689552, 4611940, 9223880, 18447760]

約数ペア:

[(1, 18447760), (2, 9223880), (4, 4611940), (5, 3689552), (8, 2305970), (10, 1844776), (16, 1152985), (20, 922388), (40, 461194), (80, 230597)]