19460140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 47218752

約数和(自身を除く): 27758612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1433, 1940, 2716, 2866, 3395, 5732, 6790, 7165, 10031, 13580, 14330, 20062, 28660, 40124, 50155, 100310, 139001, 200620, 278002, 556004, 695005, 973007, 1390010, 1946014, 2780020, 3892028, 4865035, 9730070, 19460140]

約数ペア:

[(1, 19460140), (2, 9730070), (4, 4865035), (5, 3892028), (7, 2780020), (10, 1946014), (14, 1390010), (20, 973007), (28, 695005), (35, 556004), (70, 278002), (97, 200620), (140, 139001), (194, 100310), (388, 50155), (485, 40124), (679, 28660), (970, 20062), (1358, 14330), (1433, 13580), (1940, 10031), (2716, 7165), (2866, 6790), (3395, 5732)]