19722050

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3011}}^1$

素因数の和:3154

約数の個数: 24

約数和(自身を含む): 36975312

約数和(自身を除く): 17253262

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3011, 3275, 6022, 6550, 15055, 30110, 75275, 150550, 394441, 788882, 1972205, 3944410, 9861025, 19722050]

約数ペア:

[(1, 19722050), (2, 9861025), (5, 3944410), (10, 1972205), (25, 788882), (50, 394441), (131, 150550), (262, 75275), (655, 30110), (1310, 15055), (3011, 6550), (3275, 6022)]