2019492020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109611}}^1$

素因数の和:1109640

約数の個数: 48

約数和(自身を含む): 5219614848

約数和(自身を除く): 3200122828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 1109611, 2219222, 4438444, 5548055, 7767277, 11096110, 14424943, 15534554, 22192220, 28849886, 31069108, 38836385, 57699772, 72124715, 77672770, 100974601, 144249430, 155345540, 201949202, 288498860, 403898404, 504873005, 1009746010, 2019492020]

約数ペア:

[(1, 2019492020), (2, 1009746010), (4, 504873005), (5, 403898404), (7, 288498860), (10, 201949202), (13, 155345540), (14, 144249430), (20, 100974601), (26, 77672770), (28, 72124715), (35, 57699772), (52, 38836385), (65, 31069108), (70, 28849886), (91, 22192220), (130, 15534554), (140, 14424943), (182, 11096110), (260, 7767277), (364, 5548055), (455, 4438444), (910, 2219222), (1820, 1109611)]