1900987715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{3929}}^1$

素因数の和:4427

約数の個数: 32

約数和(自身を含む): 2625868800

約数和(自身を除く): 724881085

約数列:

[1, 5, 11, 19, 55, 95, 209, 463, 1045, 2315, 3929, 5093, 8797, 19645, 25465, 43219, 43985, 74651, 96767, 216095, 373255, 483835, 821161, 1819127, 4105805, 9095635, 20010397, 34563413, 100051985, 172817065, 380197543, 1900987715]

約数ペア:

[(1, 1900987715), (5, 380197543), (11, 172817065), (19, 100051985), (55, 34563413), (95, 20010397), (209, 9095635), (463, 4105805), (1045, 1819127), (2315, 821161), (3929, 483835), (5093, 373255), (8797, 216095), (19645, 96767), (25465, 74651), (43219, 43985)]