17889140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19031}}^1$

素因数の和:19087

約数の個数: 24

約数和(自身を含む): 38368512

約数和(自身を除く): 20479372

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19031, 38062, 76124, 95155, 190310, 380620, 894457, 1788914, 3577828, 4472285, 8944570, 17889140]

約数ペア:

[(1, 17889140), (2, 8944570), (4, 4472285), (5, 3577828), (10, 1788914), (20, 894457), (47, 380620), (94, 190310), (188, 95155), (235, 76124), (470, 38062), (940, 19031)]