19874316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 58609152

約数和(自身を除く): 38734836

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 137, 154, 157, 231, 274, 308, 314, 411, 462, 471, 548, 628, 822, 924, 942, 959, 1099, 1507, 1644, 1727, 1884, 1918, 2198, 2877, 3014, 3297, 3454, 3836, 4396, 4521, 5181, 5754, 6028, 6594, 6908, 9042, 10362, 10549, 11508, 12089, 13188, 18084, 20724, 21098, 21509, 24178, 31647, 36267, 42196, 43018, 48356, 63294, 64527, 72534, 86036, 126588, 129054, 145068, 150563, 236599, 258108, 301126, 451689, 473198, 602252, 709797, 903378, 946396, 1419594, 1656193, 1806756, 2839188, 3312386, 4968579, 6624772, 9937158, 19874316]

約数ペア:

[(1, 19874316), (2, 9937158), (3, 6624772), (4, 4968579), (6, 3312386), (7, 2839188), (11, 1806756), (12, 1656193), (14, 1419594), (21, 946396), (22, 903378), (28, 709797), (33, 602252), (42, 473198), (44, 451689), (66, 301126), (77, 258108), (84, 236599), (132, 150563), (137, 145068), (154, 129054), (157, 126588), (231, 86036), (274, 72534), (308, 64527), (314, 63294), (411, 48356), (462, 43018), (471, 42196), (548, 36267), (628, 31647), (822, 24178), (924, 21509), (942, 21098), (959, 20724), (1099, 18084), (1507, 13188), (1644, 12089), (1727, 11508), (1884, 10549), (1918, 10362), (2198, 9042), (2877, 6908), (3014, 6594), (3297, 6028), (3454, 5754), (3836, 5181), (4396, 4521)]