19662080

素因数分解:

$2^8\times 5^1\times {\mathrm{15361}}^1$

素因数の和:15382

約数の個数: 36

約数和(自身を含む): 47099892

約数和(自身を除く): 27437812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15361, 30722, 61444, 76805, 122888, 153610, 245776, 307220, 491552, 614440, 983104, 1228880, 1966208, 2457760, 3932416, 4915520, 9831040, 19662080]

約数ペア:

[(1, 19662080), (2, 9831040), (4, 4915520), (5, 3932416), (8, 2457760), (10, 1966208), (16, 1228880), (20, 983104), (32, 614440), (40, 491552), (64, 307220), (80, 245776), (128, 153610), (160, 122888), (256, 76805), (320, 61444), (640, 30722), (1280, 15361)]