19904418

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{35671}}^1$

素因数の和:35710

約数の個数: 24

約数和(自身を含む): 44518656

約数和(自身を除く): 24614238

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 35671, 71342, 107013, 214026, 321039, 642078, 1105801, 2211602, 3317403, 6634806, 9952209, 19904418]

約数ペア:

[(1, 19904418), (2, 9952209), (3, 6634806), (6, 3317403), (9, 2211602), (18, 1105801), (31, 642078), (62, 321039), (93, 214026), (186, 107013), (279, 71342), (558, 35671)]