19569740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11789}}^1$

素因数の和:11881

約数の個数: 24

約数和(自身を含む): 41595120

約数和(自身を除く): 22025380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11789, 23578, 47156, 58945, 117890, 235780, 978487, 1956974, 3913948, 4892435, 9784870, 19569740]

約数ペア:

[(1, 19569740), (2, 9784870), (4, 4892435), (5, 3913948), (10, 1956974), (20, 978487), (83, 235780), (166, 117890), (332, 58945), (415, 47156), (830, 23578), (1660, 11789)]