19293756

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27275844

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 269, 278, 417, 516, 538, 556, 807, 834, 1076, 1614, 1668, 3228, 5977, 11567, 11954, 17931, 23134, 23908, 34701, 35862, 37391, 46268, 69402, 71724, 74782, 112173, 138804, 149564, 224346, 448692, 1607813, 3215626, 4823439, 6431252, 9646878, 19293756]

約数ペア:

[(1, 19293756), (2, 9646878), (3, 6431252), (4, 4823439), (6, 3215626), (12, 1607813), (43, 448692), (86, 224346), (129, 149564), (139, 138804), (172, 112173), (258, 74782), (269, 71724), (278, 69402), (417, 46268), (516, 37391), (538, 35862), (556, 34701), (807, 23908), (834, 23134), (1076, 17931), (1614, 11954), (1668, 11567), (3228, 5977)]