19889786

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6547}}^1$

素因数の和:6594

約数の個数: 24

約数和(自身を含む): 35830656

約数和(自身を除く): 15940870

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6547, 13094, 45829, 91658, 202957, 320803, 405914, 641606, 1420699, 2841398, 9944893, 19889786]

約数ペア:

[(1, 19889786), (2, 9944893), (7, 2841398), (14, 1420699), (31, 641606), (49, 405914), (62, 320803), (98, 202957), (217, 91658), (434, 45829), (1519, 13094), (3038, 6547)]