2019921350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{2381}}^1$

素因数の和:2478

約数の個数: 72

約数和(自身を含む): 4051267488

約数和(自身を除く): 2031346138

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 361, 470, 475, 722, 893, 950, 1175, 1786, 1805, 2350, 2381, 3610, 4465, 4762, 8930, 9025, 11905, 16967, 18050, 22325, 23810, 33934, 44650, 45239, 59525, 84835, 90478, 111907, 119050, 169670, 223814, 226195, 424175, 452390, 559535, 848350, 859541, 1119070, 1130975, 1719082, 2126233, 2261950, 2797675, 4252466, 4297705, 5595350, 8595410, 10631165, 21262330, 21488525, 40398427, 42977050, 53155825, 80796854, 106311650, 201992135, 403984270, 1009960675, 2019921350]

約数ペア:

[(1, 2019921350), (2, 1009960675), (5, 403984270), (10, 201992135), (19, 106311650), (25, 80796854), (38, 53155825), (47, 42977050), (50, 40398427), (94, 21488525), (95, 21262330), (190, 10631165), (235, 8595410), (361, 5595350), (470, 4297705), (475, 4252466), (722, 2797675), (893, 2261950), (950, 2126233), (1175, 1719082), (1786, 1130975), (1805, 1119070), (2350, 859541), (2381, 848350), (3610, 559535), (4465, 452390), (4762, 424175), (8930, 226195), (9025, 223814), (11905, 169670), (16967, 119050), (18050, 111907), (22325, 90478), (23810, 84835), (33934, 59525), (44650, 45239)]