18940060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20149}}^1$

素因数の和:20205

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 21682340

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20149, 40298, 80596, 100745, 201490, 402980, 947003, 1894006, 3788012, 4735015, 9470030, 18940060]

約数ペア:

[(1, 18940060), (2, 9470030), (4, 4735015), (5, 3788012), (10, 1894006), (20, 947003), (47, 402980), (94, 201490), (188, 100745), (235, 80596), (470, 40298), (940, 20149)]