19695660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3187}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 55700736

約数和(自身を除く): 36005076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3187, 6180, 6374, 9561, 12748, 15935, 19122, 31870, 38244, 47805, 63740, 95610, 191220, 328261, 656522, 984783, 1313044, 1641305, 1969566, 3282610, 3939132, 4923915, 6565220, 9847830, 19695660]

約数ペア:

[(1, 19695660), (2, 9847830), (3, 6565220), (4, 4923915), (5, 3939132), (6, 3282610), (10, 1969566), (12, 1641305), (15, 1313044), (20, 984783), (30, 656522), (60, 328261), (103, 191220), (206, 95610), (309, 63740), (412, 47805), (515, 38244), (618, 31870), (1030, 19122), (1236, 15935), (1545, 12748), (2060, 9561), (3090, 6374), (3187, 6180)]