19181526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 50883840

約数和(自身を除く): 31702314

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 43, 57, 78, 86, 91, 114, 129, 133, 182, 247, 258, 266, 273, 301, 399, 494, 546, 559, 602, 741, 798, 817, 903, 1118, 1482, 1634, 1677, 1729, 1806, 1849, 2451, 3354, 3458, 3698, 3913, 4902, 5187, 5547, 5719, 7826, 10374, 10621, 11094, 11438, 11739, 12943, 17157, 21242, 23478, 24037, 25886, 31863, 34314, 35131, 38829, 48074, 63726, 70262, 72111, 74347, 77658, 105393, 144222, 148694, 168259, 210786, 223041, 245917, 336518, 446082, 456703, 491834, 504777, 737751, 913406, 1009554, 1370109, 1475502, 2740218, 3196921, 6393842, 9590763, 19181526]

約数ペア:

[(1, 19181526), (2, 9590763), (3, 6393842), (6, 3196921), (7, 2740218), (13, 1475502), (14, 1370109), (19, 1009554), (21, 913406), (26, 737751), (38, 504777), (39, 491834), (42, 456703), (43, 446082), (57, 336518), (78, 245917), (86, 223041), (91, 210786), (114, 168259), (129, 148694), (133, 144222), (182, 105393), (247, 77658), (258, 74347), (266, 72111), (273, 70262), (301, 63726), (399, 48074), (494, 38829), (546, 35131), (559, 34314), (602, 31863), (741, 25886), (798, 24037), (817, 23478), (903, 21242), (1118, 17157), (1482, 12943), (1634, 11739), (1677, 11438), (1729, 11094), (1806, 10621), (1849, 10374), (2451, 7826), (3354, 5719), (3458, 5547), (3698, 5187), (3913, 4902)]