18715120

素因数分解:

$2^4\times 5^1\times {\mathrm{233939}}^1$

素因数の和:233952

約数の個数: 20

約数和(自身を含む): 43512840

約数和(自身を除く): 24797720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233939, 467878, 935756, 1169695, 1871512, 2339390, 3743024, 4678780, 9357560, 18715120]

約数ペア:

[(1, 18715120), (2, 9357560), (4, 4678780), (5, 3743024), (8, 2339390), (10, 1871512), (16, 1169695), (20, 935756), (40, 467878), (80, 233939)]