17909210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 38308788

約数和(自身を除く): 20399578

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 41, 55, 82, 95, 110, 121, 190, 205, 209, 242, 361, 410, 418, 451, 605, 722, 779, 902, 1045, 1210, 1558, 1805, 2090, 2255, 2299, 3610, 3895, 3971, 4510, 4598, 4961, 7790, 7942, 8569, 9922, 11495, 14801, 17138, 19855, 22990, 24805, 29602, 39710, 42845, 43681, 49610, 74005, 85690, 87362, 94259, 148010, 162811, 188518, 218405, 325622, 436810, 471295, 814055, 942590, 1628110, 1790921, 3581842, 8954605, 17909210]

約数ペア:

[(1, 17909210), (2, 8954605), (5, 3581842), (10, 1790921), (11, 1628110), (19, 942590), (22, 814055), (38, 471295), (41, 436810), (55, 325622), (82, 218405), (95, 188518), (110, 162811), (121, 148010), (190, 94259), (205, 87362), (209, 85690), (242, 74005), (361, 49610), (410, 43681), (418, 42845), (451, 39710), (605, 29602), (722, 24805), (779, 22990), (902, 19855), (1045, 17138), (1210, 14801), (1558, 11495), (1805, 9922), (2090, 8569), (2255, 7942), (2299, 7790), (3610, 4961), (3895, 4598), (3971, 4510)]