19974078

素因数分解:

$2^1\times 3^2\times {\mathrm{251}}^1\times {\mathrm{4421}}^1$

素因数の和:4680

約数の個数: 24

約数和(自身を含む): 43459416

約数和(自身を除く): 23485338

約数列:

[1, 2, 3, 6, 9, 18, 251, 502, 753, 1506, 2259, 4421, 4518, 8842, 13263, 26526, 39789, 79578, 1109671, 2219342, 3329013, 6658026, 9987039, 19974078]

約数ペア:

[(1, 19974078), (2, 9987039), (3, 6658026), (6, 3329013), (9, 2219342), (18, 1109671), (251, 79578), (502, 39789), (753, 26526), (1506, 13263), (2259, 8842), (4421, 4518)]