18503120

素因数分解:

$2^4\times 5^1\times {\mathrm{231289}}^1$

素因数の和:231302

約数の個数: 20

約数和(自身を含む): 43019940

約数和(自身を除く): 24516820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231289, 462578, 925156, 1156445, 1850312, 2312890, 3700624, 4625780, 9251560, 18503120]

約数ペア:

[(1, 18503120), (2, 9251560), (4, 4625780), (5, 3700624), (8, 2312890), (10, 1850312), (16, 1156445), (20, 925156), (40, 462578), (80, 231289)]