19490072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 43929600

約数和(自身を除く): 24439528

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 103, 109, 124, 206, 217, 218, 248, 412, 434, 436, 721, 763, 824, 868, 872, 1442, 1526, 1736, 2884, 3052, 3193, 3379, 5768, 6104, 6386, 6758, 11227, 12772, 13516, 22351, 22454, 23653, 25544, 27032, 44702, 44908, 47306, 78589, 89404, 89816, 94612, 157178, 178808, 189224, 314356, 348037, 628712, 696074, 1392148, 2436259, 2784296, 4872518, 9745036, 19490072]

約数ペア:

[(1, 19490072), (2, 9745036), (4, 4872518), (7, 2784296), (8, 2436259), (14, 1392148), (28, 696074), (31, 628712), (56, 348037), (62, 314356), (103, 189224), (109, 178808), (124, 157178), (206, 94612), (217, 89816), (218, 89404), (248, 78589), (412, 47306), (434, 44908), (436, 44702), (721, 27032), (763, 25544), (824, 23653), (868, 22454), (872, 22351), (1442, 13516), (1526, 12772), (1736, 11227), (2884, 6758), (3052, 6386), (3193, 6104), (3379, 5768)]