18728432

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 37914240

約数和(自身を除く): 19185808

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 181, 223, 232, 362, 446, 464, 724, 892, 1448, 1784, 2896, 3568, 5249, 6467, 10498, 12934, 20996, 25868, 40363, 41992, 51736, 80726, 83984, 103472, 161452, 322904, 645808, 1170527, 2341054, 4682108, 9364216, 18728432]

約数ペア:

[(1, 18728432), (2, 9364216), (4, 4682108), (8, 2341054), (16, 1170527), (29, 645808), (58, 322904), (116, 161452), (181, 103472), (223, 83984), (232, 80726), (362, 51736), (446, 41992), (464, 40363), (724, 25868), (892, 20996), (1448, 12934), (1784, 10498), (2896, 6467), (3568, 5249)]