31931894

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1028

約数の個数: 24

約数和(自身を含む): 51681888

約数和(自身を除く): 19749994

約数列:

[1, 2, 19, 38, 47, 94, 361, 722, 893, 941, 1786, 1882, 16967, 17879, 33934, 35758, 44227, 88454, 339701, 679402, 840313, 1680626, 15965947, 31931894]

約数ペア:

[(1, 31931894), (2, 15965947), (19, 1680626), (38, 840313), (47, 679402), (94, 339701), (361, 88454), (722, 44227), (893, 35758), (941, 33934), (1786, 17879), (1882, 16967)]