19996304752

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2019013}}^1$

素因数の和:2019640

約数の個数: 20

約数和(自身を含む): 38805449080

約数和(自身を除く): 18809144328

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2476, 4952, 9904, 2019013, 4038026, 8076052, 16152104, 32304208, 1249769047, 2499538094, 4999076188, 9998152376, 19996304752]

約数ペア:

[(1, 19996304752), (2, 9998152376), (4, 4999076188), (8, 2499538094), (16, 1249769047), (619, 32304208), (1238, 16152104), (2476, 8076052), (4952, 4038026), (9904, 2019013)]