18923360

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 45187632

約数和(自身を除く): 26264272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1171, 1616, 2020, 2342, 3232, 4040, 4684, 5855, 8080, 9368, 11710, 16160, 18736, 23420, 37472, 46840, 93680, 118271, 187360, 236542, 473084, 591355, 946168, 1182710, 1892336, 2365420, 3784672, 4730840, 9461680, 18923360]

約数ペア:

[(1, 18923360), (2, 9461680), (4, 4730840), (5, 3784672), (8, 2365420), (10, 1892336), (16, 1182710), (20, 946168), (32, 591355), (40, 473084), (80, 236542), (101, 187360), (160, 118271), (202, 93680), (404, 46840), (505, 37472), (808, 23420), (1010, 18736), (1171, 16160), (1616, 11710), (2020, 9368), (2342, 8080), (3232, 5855), (4040, 4684)]