18768080

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{619}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 43821600

約数和(自身を除く): 25053520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 619, 758, 1238, 1516, 1895, 2476, 3032, 3095, 3790, 4952, 6064, 6190, 7580, 9904, 12380, 15160, 24760, 30320, 49520, 234601, 469202, 938404, 1173005, 1876808, 2346010, 3753616, 4692020, 9384040, 18768080]

約数ペア:

[(1, 18768080), (2, 9384040), (4, 4692020), (5, 3753616), (8, 2346010), (10, 1876808), (16, 1173005), (20, 938404), (40, 469202), (80, 234601), (379, 49520), (619, 30320), (758, 24760), (1238, 15160), (1516, 12380), (1895, 9904), (2476, 7580), (3032, 6190), (3095, 6064), (3790, 4952)]