19900026

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 44380800

約数和(自身を除く): 24480774

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 919, 1203, 1838, 2406, 2757, 3609, 5514, 7218, 8271, 10827, 16542, 21654, 24813, 49626, 368519, 737038, 1105557, 2211114, 3316671, 6633342, 9950013, 19900026]

約数ペア:

[(1, 19900026), (2, 9950013), (3, 6633342), (6, 3316671), (9, 2211114), (18, 1105557), (27, 737038), (54, 368519), (401, 49626), (802, 24813), (919, 21654), (1203, 16542), (1838, 10827), (2406, 8271), (2757, 7218), (3609, 5514)]