19504160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9377}}^1$

素因数の和:9405

約数の個数: 48

約数和(自身を含む): 49628376

約数和(自身を除く): 30124216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9377, 18754, 37508, 46885, 75016, 93770, 121901, 150032, 187540, 243802, 300064, 375080, 487604, 609505, 750160, 975208, 1219010, 1500320, 1950416, 2438020, 3900832, 4876040, 9752080, 19504160]

約数ペア:

[(1, 19504160), (2, 9752080), (4, 4876040), (5, 3900832), (8, 2438020), (10, 1950416), (13, 1500320), (16, 1219010), (20, 975208), (26, 750160), (32, 609505), (40, 487604), (52, 375080), (65, 300064), (80, 243802), (104, 187540), (130, 150032), (160, 121901), (208, 93770), (260, 75016), (416, 46885), (520, 37508), (1040, 18754), (2080, 9377)]