1911020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 4354560

約数和(自身を除く): 2443540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 107, 188, 190, 214, 235, 380, 428, 470, 535, 893, 940, 1070, 1786, 2033, 2140, 3572, 4066, 4465, 5029, 8132, 8930, 10058, 10165, 17860, 20116, 20330, 25145, 40660, 50290, 95551, 100580, 191102, 382204, 477755, 955510, 1911020]

約数ペア:

[(1, 1911020), (2, 955510), (4, 477755), (5, 382204), (10, 191102), (19, 100580), (20, 95551), (38, 50290), (47, 40660), (76, 25145), (94, 20330), (95, 20116), (107, 17860), (188, 10165), (190, 10058), (214, 8930), (235, 8132), (380, 5029), (428, 4465), (470, 4066), (535, 3572), (893, 2140), (940, 2033), (1070, 1786)]