18745840

素因数分解:

$2^4\times 5^1\times {\mathrm{234323}}^1$

素因数の和:234336

約数の個数: 20

約数和(自身を含む): 43584264

約数和(自身を除く): 24838424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234323, 468646, 937292, 1171615, 1874584, 2343230, 3749168, 4686460, 9372920, 18745840]

約数ペア:

[(1, 18745840), (2, 9372920), (4, 4686460), (5, 3749168), (8, 2343230), (10, 1874584), (16, 1171615), (20, 937292), (40, 468646), (80, 234323)]