31868380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16427}}^1$

素因数の和:16533

約数の個数: 24

約数和(自身を含む): 67617648

約数和(自身を除く): 35749268

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16427, 32854, 65708, 82135, 164270, 328540, 1593419, 3186838, 6373676, 7967095, 15934190, 31868380]

約数ペア:

[(1, 31868380), (2, 15934190), (4, 7967095), (5, 6373676), (10, 3186838), (20, 1593419), (97, 328540), (194, 164270), (388, 82135), (485, 65708), (970, 32854), (1940, 16427)]