18984580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55837}}^1$

素因数の和:55863

約数の個数: 24

約数和(自身を含む): 42213528

約数和(自身を除く): 23228948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55837, 111674, 223348, 279185, 558370, 949229, 1116740, 1898458, 3796916, 4746145, 9492290, 18984580]

約数ペア:

[(1, 18984580), (2, 9492290), (4, 4746145), (5, 3796916), (10, 1898458), (17, 1116740), (20, 949229), (34, 558370), (68, 279185), (85, 223348), (170, 111674), (340, 55837)]