1997392328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2381}}^1\times {\mathrm{5519}}^1$

素因数の和:7925

約数の個数: 32

約数和(自身を含む): 3944592000

約数和(自身を除く): 1947199672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2381, 4762, 5519, 9524, 11038, 19048, 22076, 44152, 45239, 90478, 104861, 180956, 209722, 361912, 419444, 838888, 13140739, 26281478, 52562956, 105125912, 249674041, 499348082, 998696164, 1997392328]

約数ペア:

[(1, 1997392328), (2, 998696164), (4, 499348082), (8, 249674041), (19, 105125912), (38, 52562956), (76, 26281478), (152, 13140739), (2381, 838888), (4762, 419444), (5519, 361912), (9524, 209722), (11038, 180956), (19048, 104861), (22076, 90478), (44152, 45239)]