19317840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80491}}^1$

素因数の和:80507

約数の個数: 40

約数和(自身を含む): 59886048

約数和(自身を除く): 40568208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80491, 160982, 241473, 321964, 402455, 482946, 643928, 804910, 965892, 1207365, 1287856, 1609820, 1931784, 2414730, 3219640, 3863568, 4829460, 6439280, 9658920, 19317840]

約数ペア:

[(1, 19317840), (2, 9658920), (3, 6439280), (4, 4829460), (5, 3863568), (6, 3219640), (8, 2414730), (10, 1931784), (12, 1609820), (15, 1287856), (16, 1207365), (20, 965892), (24, 804910), (30, 643928), (40, 482946), (48, 402455), (60, 321964), (80, 241473), (120, 160982), (240, 80491)]