15879212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 30212280

約数和(自身を除く): 14333068

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 113, 172, 226, 452, 817, 1634, 1849, 2147, 3268, 3698, 4294, 4859, 7396, 8588, 9718, 19436, 35131, 70262, 92321, 140524, 184642, 208937, 369284, 417874, 835748, 3969803, 7939606, 15879212]

約数ペア:

[(1, 15879212), (2, 7939606), (4, 3969803), (19, 835748), (38, 417874), (43, 369284), (76, 208937), (86, 184642), (113, 140524), (172, 92321), (226, 70262), (452, 35131), (817, 19436), (1634, 9718), (1849, 8588), (2147, 7396), (3268, 4859), (3698, 4294)]