12181328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{10723}}^1$

素因数の和:10802

約数の個数: 20

約数和(自身を含む): 23935968

約数和(自身を除く): 11754640

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 10723, 21446, 42892, 85784, 171568, 761333, 1522666, 3045332, 6090664, 12181328]

約数ペア:

[(1, 12181328), (2, 6090664), (4, 3045332), (8, 1522666), (16, 761333), (71, 171568), (142, 85784), (284, 42892), (568, 21446), (1136, 10723)]