19437204

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 46914560

約数和(自身を除く): 27477356

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 271, 278, 417, 516, 542, 556, 813, 834, 1084, 1626, 1668, 3252, 5977, 11653, 11954, 17931, 23306, 23908, 34959, 35862, 37669, 46612, 69918, 71724, 75338, 113007, 139836, 150676, 226014, 452028, 1619767, 3239534, 4859301, 6479068, 9718602, 19437204]

約数ペア:

[(1, 19437204), (2, 9718602), (3, 6479068), (4, 4859301), (6, 3239534), (12, 1619767), (43, 452028), (86, 226014), (129, 150676), (139, 139836), (172, 113007), (258, 75338), (271, 71724), (278, 69918), (417, 46612), (516, 37669), (542, 35862), (556, 34959), (813, 23908), (834, 23306), (1084, 17931), (1626, 11954), (1668, 11653), (3252, 5977)]