18993274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1259}}^1$

素因数の和:1677

約数の個数: 16

約数和(自身を含む): 30088800

約数和(自身を除く): 11095526

約数列:

[1, 2, 19, 38, 397, 794, 1259, 2518, 7543, 15086, 23921, 47842, 499823, 999646, 9496637, 18993274]

約数ペア:

[(1, 18993274), (2, 9496637), (19, 999646), (38, 499823), (397, 47842), (794, 23921), (1259, 15086), (2518, 7543)]