18978470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9349}}^1$

素因数の和:9392

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 21413530

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9349, 18698, 46745, 65443, 93490, 130886, 271121, 327215, 542242, 654430, 1355605, 1897847, 2711210, 3795694, 9489235, 18978470]

約数ペア:

[(1, 18978470), (2, 9489235), (5, 3795694), (7, 2711210), (10, 1897847), (14, 1355605), (29, 654430), (35, 542242), (58, 327215), (70, 271121), (145, 130886), (203, 93490), (290, 65443), (406, 46745), (1015, 18698), (2030, 9349)]