19110812

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 20553316

約数列:

[1, 2, 4, 7, 14, 28, 61, 67, 122, 134, 167, 244, 268, 334, 427, 469, 668, 854, 938, 1169, 1708, 1876, 2338, 4087, 4676, 8174, 10187, 11189, 16348, 20374, 22378, 28609, 40748, 44756, 57218, 71309, 78323, 114436, 142618, 156646, 285236, 313292, 682529, 1365058, 2730116, 4777703, 9555406, 19110812]

約数ペア:

[(1, 19110812), (2, 9555406), (4, 4777703), (7, 2730116), (14, 1365058), (28, 682529), (61, 313292), (67, 285236), (122, 156646), (134, 142618), (167, 114436), (244, 78323), (268, 71309), (334, 57218), (427, 44756), (469, 40748), (668, 28609), (854, 22378), (938, 20374), (1169, 16348), (1708, 11189), (1876, 10187), (2338, 8174), (4087, 4676)]