19658375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 29349216

約数和(自身を除く): 9690841

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 125, 145, 187, 275, 319, 425, 493, 725, 841, 935, 1375, 1595, 2125, 2465, 3625, 4205, 4675, 5423, 7975, 9251, 12325, 14297, 21025, 23375, 27115, 39875, 46255, 61625, 71485, 105125, 135575, 157267, 231275, 357425, 677875, 786335, 1156375, 1787125, 3931675, 19658375]

約数ペア:

[(1, 19658375), (5, 3931675), (11, 1787125), (17, 1156375), (25, 786335), (29, 677875), (55, 357425), (85, 231275), (125, 157267), (145, 135575), (187, 105125), (275, 71485), (319, 61625), (425, 46255), (493, 39875), (725, 27115), (841, 23375), (935, 21025), (1375, 14297), (1595, 12325), (2125, 9251), (2465, 7975), (3625, 5423), (4205, 4675)]