19304451

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 18

約数和(自身を含む): 28519452

約数和(自身を除く): 9215001

約数列:

[1, 3, 9, 47, 141, 423, 971, 2209, 2913, 6627, 8739, 19881, 45637, 136911, 410733, 2144939, 6434817, 19304451]

約数ペア:

[(1, 19304451), (3, 6434817), (9, 2144939), (47, 410733), (141, 136911), (423, 45637), (971, 19881), (2209, 8739), (2913, 6627)]