19318920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 39001080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 809, 995, 1194, 1592, 1618, 1990, 2388, 2427, 2985, 3236, 3980, 4045, 4776, 4854, 5970, 6472, 7960, 8090, 9708, 11940, 12135, 16180, 19416, 23880, 24270, 32360, 48540, 97080, 160991, 321982, 482973, 643964, 804955, 965946, 1287928, 1609910, 1931892, 2414865, 3219820, 3863784, 4829730, 6439640, 9659460, 19318920]

約数ペア:

[(1, 19318920), (2, 9659460), (3, 6439640), (4, 4829730), (5, 3863784), (6, 3219820), (8, 2414865), (10, 1931892), (12, 1609910), (15, 1287928), (20, 965946), (24, 804955), (30, 643964), (40, 482973), (60, 321982), (120, 160991), (199, 97080), (398, 48540), (597, 32360), (796, 24270), (809, 23880), (995, 19416), (1194, 16180), (1592, 12135), (1618, 11940), (1990, 9708), (2388, 8090), (2427, 7960), (2985, 6472), (3236, 5970), (3980, 4854), (4045, 4776)]