1901218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 3149280

約数和(自身を除く): 1248062

約数列:

[1, 2, 11, 22, 89, 178, 971, 979, 1942, 1958, 10681, 21362, 86419, 172838, 950609, 1901218]

約数ペア:

[(1, 1901218), (2, 950609), (11, 172838), (22, 86419), (89, 21362), (178, 10681), (971, 1958), (979, 1942)]