39995912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1259}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 86410800

約数和(自身を除く): 46414888

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 722, 836, 1259, 1444, 1672, 2518, 2888, 3971, 5036, 7942, 10072, 13849, 15884, 23921, 27698, 31768, 47842, 55396, 95684, 110792, 191368, 263131, 454499, 526262, 908998, 1052524, 1817996, 2105048, 3635992, 4999489, 9998978, 19997956, 39995912]

約数ペア:

[(1, 39995912), (2, 19997956), (4, 9998978), (8, 4999489), (11, 3635992), (19, 2105048), (22, 1817996), (38, 1052524), (44, 908998), (76, 526262), (88, 454499), (152, 263131), (209, 191368), (361, 110792), (418, 95684), (722, 55396), (836, 47842), (1259, 31768), (1444, 27698), (1672, 23921), (2518, 15884), (2888, 13849), (3971, 10072), (5036, 7942)]