18743680

素因数分解:

$2^7\times 5^1\times {\mathrm{29287}}^1$

素因数の和:29306

約数の個数: 32

約数和(自身を含む): 44810640

約数和(自身を除く): 26066960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29287, 58574, 117148, 146435, 234296, 292870, 468592, 585740, 937184, 1171480, 1874368, 2342960, 3748736, 4685920, 9371840, 18743680]

約数ペア:

[(1, 18743680), (2, 9371840), (4, 4685920), (5, 3748736), (8, 2342960), (10, 1874368), (16, 1171480), (20, 937184), (32, 585740), (40, 468592), (64, 292870), (80, 234296), (128, 146435), (160, 117148), (320, 58574), (640, 29287)]