18827963

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{22229}}^1$

素因数の和:22258

約数の個数: 12

約数和(自身を含む): 23652720

約数和(自身を除く): 4824757

約数列:

[1, 7, 11, 77, 121, 847, 22229, 155603, 244519, 1711633, 2689709, 18827963]

約数ペア:

[(1, 18827963), (7, 2689709), (11, 1711633), (77, 244519), (121, 155603), (847, 22229)]