19427902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 31820040

約数和(自身を除く): 12392138

約数列:

[1, 2, 13, 26, 169, 229, 251, 338, 458, 502, 2977, 3263, 5954, 6526, 38701, 42419, 57479, 77402, 84838, 114958, 747227, 1494454, 9713951, 19427902]

約数ペア:

[(1, 19427902), (2, 9713951), (13, 1494454), (26, 747227), (169, 114958), (229, 84838), (251, 77402), (338, 57479), (458, 42419), (502, 38701), (2977, 6526), (3263, 5954)]