19863382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128983}}^1$

素因数の和:129003

約数の個数: 16

約数和(自身を含む): 37147392

約数和(自身を除く): 17284010

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128983, 257966, 902881, 1418813, 1805762, 2837626, 9931691, 19863382]

約数ペア:

[(1, 19863382), (2, 9931691), (7, 2837626), (11, 1805762), (14, 1418813), (22, 902881), (77, 257966), (154, 128983)]