2018588975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3673}}^1$

素因数の和:3804

約数の個数: 48

約数和(自身を含む): 2870128800

約数和(自身を除く): 851539825

約数列:

[1, 5, 13, 19, 25, 65, 89, 95, 247, 325, 445, 475, 1157, 1235, 1691, 2225, 3673, 5785, 6175, 8455, 18365, 21983, 28925, 42275, 47749, 69787, 91825, 109915, 238745, 326897, 348935, 549575, 907231, 1193725, 1634485, 1744675, 4249661, 4536155, 6211043, 8172425, 21248305, 22680775, 31055215, 80743559, 106241525, 155276075, 403717795, 2018588975]

約数ペア:

[(1, 2018588975), (5, 403717795), (13, 155276075), (19, 106241525), (25, 80743559), (65, 31055215), (89, 22680775), (95, 21248305), (247, 8172425), (325, 6211043), (445, 4536155), (475, 4249661), (1157, 1744675), (1235, 1634485), (1691, 1193725), (2225, 907231), (3673, 549575), (5785, 348935), (6175, 326897), (8455, 238745), (18365, 109915), (21983, 91825), (28925, 69787), (42275, 47749)]