19928510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9817}}^1$

素因数の和:9860

約数の個数: 32

約数和(自身を含む): 42413760

約数和(自身を除く): 22485250

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9817, 19634, 49085, 68719, 98170, 137438, 284693, 343595, 569386, 687190, 1423465, 1992851, 2846930, 3985702, 9964255, 19928510]

約数ペア:

[(1, 19928510), (2, 9964255), (5, 3985702), (7, 2846930), (10, 1992851), (14, 1423465), (29, 687190), (35, 569386), (58, 343595), (70, 284693), (145, 137438), (203, 98170), (290, 68719), (406, 49085), (1015, 19634), (2030, 9817)]