19744990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6113}}^1$

素因数の和:6156

約数の個数: 32

約数和(自身を含む): 39618720

約数和(自身を除く): 19873730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6113, 12226, 30565, 61130, 103921, 116147, 207842, 232294, 519605, 580735, 1039210, 1161470, 1974499, 3948998, 9872495, 19744990]

約数ペア:

[(1, 19744990), (2, 9872495), (5, 3948998), (10, 1974499), (17, 1161470), (19, 1039210), (34, 580735), (38, 519605), (85, 232294), (95, 207842), (170, 116147), (190, 103921), (323, 61130), (646, 30565), (1615, 12226), (3230, 6113)]