19751750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 38705472

約数和(自身を除く): 18953722

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 125, 205, 235, 250, 410, 470, 1025, 1175, 1681, 1927, 2050, 2350, 3362, 3854, 5125, 5875, 8405, 9635, 10250, 11750, 16810, 19270, 42025, 48175, 79007, 84050, 96350, 158014, 210125, 240875, 395035, 420250, 481750, 790070, 1975175, 3950350, 9875875, 19751750]

約数ペア:

[(1, 19751750), (2, 9875875), (5, 3950350), (10, 1975175), (25, 790070), (41, 481750), (47, 420250), (50, 395035), (82, 240875), (94, 210125), (125, 158014), (205, 96350), (235, 84050), (250, 79007), (410, 48175), (470, 42025), (1025, 19270), (1175, 16810), (1681, 11750), (1927, 10250), (2050, 9635), (2350, 8405), (3362, 5875), (3854, 5125)]