16988850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2024

約数の個数: 72

約数和(自身を含む): 48069840

約数和(自身を除く): 31080990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 1987, 2850, 3974, 4275, 5961, 8550, 9935, 11922, 17883, 19870, 29805, 35766, 37753, 49675, 59610, 75506, 89415, 99350, 113259, 149025, 178830, 188765, 226518, 298050, 339777, 377530, 447075, 566295, 679554, 894150, 943825, 1132590, 1698885, 1887650, 2831475, 3397770, 5662950, 8494425, 16988850]

約数ペア:

[(1, 16988850), (2, 8494425), (3, 5662950), (5, 3397770), (6, 2831475), (9, 1887650), (10, 1698885), (15, 1132590), (18, 943825), (19, 894150), (25, 679554), (30, 566295), (38, 447075), (45, 377530), (50, 339777), (57, 298050), (75, 226518), (90, 188765), (95, 178830), (114, 149025), (150, 113259), (171, 99350), (190, 89415), (225, 75506), (285, 59610), (342, 49675), (450, 37753), (475, 35766), (570, 29805), (855, 19870), (950, 17883), (1425, 11922), (1710, 9935), (1987, 8550), (2850, 5961), (3974, 4275)]