19123620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2293}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 34831260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2293, 2780, 4170, 4586, 6879, 8340, 9172, 11465, 13758, 22930, 27516, 34395, 45860, 68790, 137580, 318727, 637454, 956181, 1274908, 1593635, 1912362, 3187270, 3824724, 4780905, 6374540, 9561810, 19123620]

約数ペア:

[(1, 19123620), (2, 9561810), (3, 6374540), (4, 4780905), (5, 3824724), (6, 3187270), (10, 1912362), (12, 1593635), (15, 1274908), (20, 956181), (30, 637454), (60, 318727), (139, 137580), (278, 68790), (417, 45860), (556, 34395), (695, 27516), (834, 22930), (1390, 13758), (1668, 11465), (2085, 9172), (2293, 8340), (2780, 6879), (4170, 4586)]