18492620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 40255488

約数和(自身を除く): 21762868

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 191, 206, 235, 382, 412, 470, 515, 764, 940, 955, 1030, 1910, 2060, 3820, 4841, 8977, 9682, 17954, 19364, 19673, 24205, 35908, 39346, 44885, 48410, 78692, 89770, 96820, 98365, 179540, 196730, 393460, 924631, 1849262, 3698524, 4623155, 9246310, 18492620]

約数ペア:

[(1, 18492620), (2, 9246310), (4, 4623155), (5, 3698524), (10, 1849262), (20, 924631), (47, 393460), (94, 196730), (103, 179540), (188, 98365), (191, 96820), (206, 89770), (235, 78692), (382, 48410), (412, 44885), (470, 39346), (515, 35908), (764, 24205), (940, 19673), (955, 19364), (1030, 17954), (1910, 9682), (2060, 8977), (3820, 4841)]