19690898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6389}}^1$

素因数の和:6481

約数の個数: 16

約数和(自身を含む): 31285440

約数和(自身を除く): 11594542

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6389, 12778, 146947, 293894, 428063, 856126, 9845449, 19690898]

約数ペア:

[(1, 19690898), (2, 9845449), (23, 856126), (46, 428063), (67, 293894), (134, 146947), (1541, 12778), (3082, 6389)]