19994485

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19699}}^1$

素因数の和:19740

約数の個数: 16

約数和(自身を含む): 28368000

約数和(自身を除く): 8373515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19699, 98495, 137893, 571271, 689465, 2856355, 3998897, 19994485]

約数ペア:

[(1, 19994485), (5, 3998897), (7, 2856355), (29, 689465), (35, 571271), (145, 137893), (203, 98495), (1015, 19699)]