19715750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4673

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 19371610

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4639, 9278, 23195, 46390, 78863, 115975, 157726, 231950, 394315, 579875, 788630, 1159750, 1971575, 3943150, 9857875, 19715750]

約数ペア:

[(1, 19715750), (2, 9857875), (5, 3943150), (10, 1971575), (17, 1159750), (25, 788630), (34, 579875), (50, 394315), (85, 231950), (125, 157726), (170, 115975), (250, 78863), (425, 46390), (850, 23195), (2125, 9278), (4250, 4639)]