18449855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 23472480

約数和(自身を除く): 5022625

約数列:

[1, 5, 19, 95, 157, 785, 1237, 2983, 6185, 14915, 23503, 117515, 194209, 971045, 3689971, 18449855]

約数ペア:

[(1, 18449855), (5, 3689971), (19, 971045), (95, 194209), (157, 117515), (785, 23503), (1237, 14915), (2983, 6185)]