20190199405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{7229}}^1$

素因数の和:7789

約数の個数: 32

約数和(自身を含む): 25742039040

約数和(自身を除く): 5551839635

約数列:

[1, 5, 31, 37, 155, 185, 487, 1147, 2435, 5735, 7229, 15097, 18019, 36145, 75485, 90095, 224099, 267473, 558589, 1120495, 1337365, 2792945, 3520523, 8291663, 17602615, 41458315, 109136213, 130259351, 545681065, 651296755, 4038039881, 20190199405]

約数ペア:

[(1, 20190199405), (5, 4038039881), (31, 651296755), (37, 545681065), (155, 130259351), (185, 109136213), (487, 41458315), (1147, 17602615), (2435, 8291663), (5735, 3520523), (7229, 2792945), (15097, 1337365), (18019, 1120495), (36145, 558589), (75485, 267473), (90095, 224099)]