19888838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2671

約数の個数: 16

約数和(自身を含む): 31099680

約数和(自身を除く): 11210842

約数列:

[1, 2, 29, 58, 137, 274, 2503, 3973, 5006, 7946, 72587, 145174, 342911, 685822, 9944419, 19888838]

約数ペア:

[(1, 19888838), (2, 9944419), (29, 685822), (58, 342911), (137, 145174), (274, 72587), (2503, 7946), (3973, 5006)]