19767770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 42790356

約数和(自身を除く): 23022586

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 121, 155, 170, 187, 242, 310, 341, 374, 527, 605, 682, 935, 961, 1054, 1210, 1705, 1870, 1922, 2057, 2635, 3410, 3751, 4114, 4805, 5270, 5797, 7502, 9610, 10285, 10571, 11594, 16337, 18755, 20570, 21142, 28985, 32674, 37510, 52855, 57970, 63767, 81685, 105710, 116281, 127534, 163370, 179707, 232562, 318835, 359414, 581405, 637670, 898535, 1162810, 1797070, 1976777, 3953554, 9883885, 19767770]

約数ペア:

[(1, 19767770), (2, 9883885), (5, 3953554), (10, 1976777), (11, 1797070), (17, 1162810), (22, 898535), (31, 637670), (34, 581405), (55, 359414), (62, 318835), (85, 232562), (110, 179707), (121, 163370), (155, 127534), (170, 116281), (187, 105710), (242, 81685), (310, 63767), (341, 57970), (374, 52855), (527, 37510), (605, 32674), (682, 28985), (935, 21142), (961, 20570), (1054, 18755), (1210, 16337), (1705, 11594), (1870, 10571), (1922, 10285), (2057, 9610), (2635, 7502), (3410, 5797), (3751, 5270), (4114, 4805)]