19138920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{159491}}^1$

素因数の和:159505

約数の個数: 32

約数和(自身を含む): 57417120

約数和(自身を除く): 38278200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 159491, 318982, 478473, 637964, 797455, 956946, 1275928, 1594910, 1913892, 2392365, 3189820, 3827784, 4784730, 6379640, 9569460, 19138920]

約数ペア:

[(1, 19138920), (2, 9569460), (3, 6379640), (4, 4784730), (5, 3827784), (6, 3189820), (8, 2392365), (10, 1913892), (12, 1594910), (15, 1275928), (20, 956946), (24, 797455), (30, 637964), (40, 478473), (60, 318982), (120, 159491)]