19210020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2521}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 54233088

約数和(自身を除く): 35023068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2521, 2540, 3810, 5042, 7563, 7620, 10084, 12605, 15126, 25210, 30252, 37815, 50420, 75630, 151260, 320167, 640334, 960501, 1280668, 1600835, 1921002, 3201670, 3842004, 4802505, 6403340, 9605010, 19210020]

約数ペア:

[(1, 19210020), (2, 9605010), (3, 6403340), (4, 4802505), (5, 3842004), (6, 3201670), (10, 1921002), (12, 1600835), (15, 1280668), (20, 960501), (30, 640334), (60, 320167), (127, 151260), (254, 75630), (381, 50420), (508, 37815), (635, 30252), (762, 25210), (1270, 15126), (1524, 12605), (1905, 10084), (2521, 7620), (2540, 7563), (3810, 5042)]