18903940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2963}}^1$

素因数の和:3012

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25911740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2963, 3190, 5926, 6380, 11852, 14815, 29630, 32593, 59260, 65186, 85927, 130372, 162965, 171854, 325930, 343708, 429635, 651860, 859270, 945197, 1718540, 1890394, 3780788, 4725985, 9451970, 18903940]

約数ペア:

[(1, 18903940), (2, 9451970), (4, 4725985), (5, 3780788), (10, 1890394), (11, 1718540), (20, 945197), (22, 859270), (29, 651860), (44, 429635), (55, 343708), (58, 325930), (110, 171854), (116, 162965), (145, 130372), (220, 85927), (290, 65186), (319, 59260), (580, 32593), (638, 29630), (1276, 14815), (1595, 11852), (2963, 6380), (3190, 5926)]