2018942893225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3271}}^1\times {\mathrm{5827}}^1$

素因数の和:9350

約数の個数: 48

約数和(自身を含む): 2648332718080

約数和(自身を除く): 629389824855

約数列:

[1, 5, 19, 25, 95, 223, 475, 1115, 3271, 4237, 5575, 5827, 16355, 21185, 29135, 62149, 81775, 105925, 110713, 145675, 310745, 553565, 729433, 1299421, 1553725, 2767825, 3647165, 6497105, 13859227, 18235825, 19060117, 24688999, 32485525, 69296135, 95300585, 123444995, 346480675, 362142223, 476502925, 617224975, 1810711115, 4250406091, 9053555575, 21252030455, 80757715729, 106260152275, 403788578645, 2018942893225]

約数ペア:

[(1, 2018942893225), (5, 403788578645), (19, 106260152275), (25, 80757715729), (95, 21252030455), (223, 9053555575), (475, 4250406091), (1115, 1810711115), (3271, 617224975), (4237, 476502925), (5575, 362142223), (5827, 346480675), (16355, 123444995), (21185, 95300585), (29135, 69296135), (62149, 32485525), (81775, 24688999), (105925, 19060117), (110713, 18235825), (145675, 13859227), (310745, 6497105), (553565, 3647165), (729433, 2767825), (1299421, 1553725)]