18876974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{10009}}^1$

素因数の和:10075

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 11393266

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 10009, 20018, 230207, 410369, 460414, 820738, 9438487, 18876974]

約数ペア:

[(1, 18876974), (2, 9438487), (23, 820738), (41, 460414), (46, 410369), (82, 230207), (943, 20018), (1886, 10009)]