19599280

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 45756000

約数和(自身を除く): 26156720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 599, 818, 1198, 1636, 2045, 2396, 2995, 3272, 4090, 4792, 5990, 6544, 8180, 9584, 11980, 16360, 23960, 32720, 47920, 244991, 489982, 979964, 1224955, 1959928, 2449910, 3919856, 4899820, 9799640, 19599280]

約数ペア:

[(1, 19599280), (2, 9799640), (4, 4899820), (5, 3919856), (8, 2449910), (10, 1959928), (16, 1224955), (20, 979964), (40, 489982), (80, 244991), (409, 47920), (599, 32720), (818, 23960), (1198, 16360), (1636, 11980), (2045, 9584), (2396, 8180), (2995, 6544), (3272, 5990), (4090, 4792)]