2019861880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{17837}}^1$

素因数の和:18016

約数の個数: 64

約数和(自身を含む): 4816260000

約数和(自身を除く): 2796398120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 17837, 22648, 28310, 35674, 56620, 71348, 89185, 113240, 142696, 178370, 338903, 356740, 677806, 713480, 1355612, 1694515, 2657713, 2711224, 3389030, 5315426, 6778060, 10630852, 13288565, 13556120, 21261704, 26577130, 50496547, 53154260, 100993094, 106308520, 201986188, 252482735, 403972376, 504965470, 1009930940, 2019861880]

約数ペア:

[(1, 2019861880), (2, 1009930940), (4, 504965470), (5, 403972376), (8, 252482735), (10, 201986188), (19, 106308520), (20, 100993094), (38, 53154260), (40, 50496547), (76, 26577130), (95, 21261704), (149, 13556120), (152, 13288565), (190, 10630852), (298, 6778060), (380, 5315426), (596, 3389030), (745, 2711224), (760, 2657713), (1192, 1694515), (1490, 1355612), (2831, 713480), (2980, 677806), (5662, 356740), (5960, 338903), (11324, 178370), (14155, 142696), (17837, 113240), (22648, 89185), (28310, 71348), (35674, 56620)]