19825270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 17434730

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 499, 685, 998, 1370, 2495, 3973, 4990, 7946, 14471, 19865, 28942, 39730, 68363, 72355, 136726, 144710, 341815, 683630, 1982527, 3965054, 9912635, 19825270]

約数ペア:

[(1, 19825270), (2, 9912635), (5, 3965054), (10, 1982527), (29, 683630), (58, 341815), (137, 144710), (145, 136726), (274, 72355), (290, 68363), (499, 39730), (685, 28942), (998, 19865), (1370, 14471), (2495, 7946), (3973, 4990)]