19873468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 18833732

約数列:

[1, 2, 4, 19, 29, 38, 58, 71, 76, 116, 127, 142, 254, 284, 508, 551, 1102, 1349, 2059, 2204, 2413, 2698, 3683, 4118, 4826, 5396, 7366, 8236, 9017, 9652, 14732, 18034, 36068, 39121, 69977, 78242, 139954, 156484, 171323, 261493, 279908, 342646, 522986, 685292, 1045972, 4968367, 9936734, 19873468]

約数ペア:

[(1, 19873468), (2, 9936734), (4, 4968367), (19, 1045972), (29, 685292), (38, 522986), (58, 342646), (71, 279908), (76, 261493), (116, 171323), (127, 156484), (142, 139954), (254, 78242), (284, 69977), (508, 39121), (551, 36068), (1102, 18034), (1349, 14732), (2059, 9652), (2204, 9017), (2413, 8236), (2698, 7366), (3683, 5396), (4118, 4826)]