18909840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78791}}^1$

素因数の和:78807

約数の個数: 40

約数和(自身を含む): 58621248

約数和(自身を除く): 39711408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78791, 157582, 236373, 315164, 393955, 472746, 630328, 787910, 945492, 1181865, 1260656, 1575820, 1890984, 2363730, 3151640, 3781968, 4727460, 6303280, 9454920, 18909840]

約数ペア:

[(1, 18909840), (2, 9454920), (3, 6303280), (4, 4727460), (5, 3781968), (6, 3151640), (8, 2363730), (10, 1890984), (12, 1575820), (15, 1260656), (16, 1181865), (20, 945492), (24, 787910), (30, 630328), (40, 472746), (48, 393955), (60, 315164), (80, 236373), (120, 157582), (240, 78791)]