18869607

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 28753920

約数和(自身を除く): 9884313

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1439, 1457, 4317, 4371, 12951, 13113, 44609, 67633, 133827, 202899, 401481, 608697, 2096623, 6289869, 18869607]

約数ペア:

[(1, 18869607), (3, 6289869), (9, 2096623), (31, 608697), (47, 401481), (93, 202899), (141, 133827), (279, 67633), (423, 44609), (1439, 13113), (1457, 12951), (4317, 4371)]