19409716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 19116044

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 83, 166, 181, 323, 332, 362, 646, 724, 1292, 1411, 1577, 2822, 3077, 3154, 3439, 5644, 6154, 6308, 6878, 12308, 13756, 15023, 26809, 30046, 53618, 58463, 60092, 107236, 116926, 233852, 255391, 285437, 510782, 570874, 1021564, 1141748, 4852429, 9704858, 19409716]

約数ペア:

[(1, 19409716), (2, 9704858), (4, 4852429), (17, 1141748), (19, 1021564), (34, 570874), (38, 510782), (68, 285437), (76, 255391), (83, 233852), (166, 116926), (181, 107236), (323, 60092), (332, 58463), (362, 53618), (646, 30046), (724, 26809), (1292, 15023), (1411, 13756), (1577, 12308), (2822, 6878), (3077, 6308), (3154, 6154), (3439, 5644)]