1803860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2308780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 101, 188, 190, 202, 235, 380, 404, 470, 505, 893, 940, 1010, 1786, 1919, 2020, 3572, 3838, 4465, 4747, 7676, 8930, 9494, 9595, 17860, 18988, 19190, 23735, 38380, 47470, 90193, 94940, 180386, 360772, 450965, 901930, 1803860]

約数ペア:

[(1, 1803860), (2, 901930), (4, 450965), (5, 360772), (10, 180386), (19, 94940), (20, 90193), (38, 47470), (47, 38380), (76, 23735), (94, 19190), (95, 18988), (101, 17860), (188, 9595), (190, 9494), (202, 8930), (235, 7676), (380, 4747), (404, 4465), (470, 3838), (505, 3572), (893, 2020), (940, 1919), (1010, 1786)]