18884705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1867}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 27526848

約数和(自身を除く): 8642143

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 1867, 2023, 9335, 10115, 13069, 31739, 65345, 158695, 222173, 539563, 1110865, 2697815, 3776941, 18884705]

約数ペア:

[(1, 18884705), (5, 3776941), (7, 2697815), (17, 1110865), (35, 539563), (85, 222173), (119, 158695), (289, 65345), (595, 31739), (1445, 13069), (1867, 10115), (2023, 9335)]