12453778

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 24

約数和(自身を含む): 20189952

約数和(自身を除く): 7736174

約数列:

[1, 2, 19, 38, 47, 94, 361, 367, 722, 734, 893, 1786, 6973, 13946, 16967, 17249, 33934, 34498, 132487, 264974, 327731, 655462, 6226889, 12453778]

約数ペア:

[(1, 12453778), (2, 6226889), (19, 655462), (38, 327731), (47, 264974), (94, 132487), (361, 34498), (367, 33934), (722, 17249), (734, 16967), (893, 13946), (1786, 6973)]