19949965

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9661}}^1$

素因数の和:9732

約数の個数: 16

約数和(自身を含む): 27826560

約数和(自身を除く): 7876595

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9661, 48305, 67627, 338135, 569999, 2849995, 3989993, 19949965]

約数ペア:

[(1, 19949965), (5, 3989993), (7, 2849995), (35, 569999), (59, 338135), (295, 67627), (413, 48305), (2065, 9661)]