12905104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42451}}^1$

素因数の和:42478

約数の個数: 20

約数和(自身を含む): 26320240

約数和(自身を除く): 13415136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42451, 84902, 169804, 339608, 679216, 806569, 1613138, 3226276, 6452552, 12905104]

約数ペア:

[(1, 12905104), (2, 6452552), (4, 3226276), (8, 1613138), (16, 806569), (19, 679216), (38, 339608), (76, 169804), (152, 84902), (304, 42451)]