19645857514

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{43889}}^1$

素因数の和:44214

約数の個数: 32

約数和(自身を含む): 31701922560

約数和(自身を除く): 12056065046

約数列:

[1, 2, 23, 37, 46, 74, 263, 526, 851, 1702, 6049, 9731, 12098, 19462, 43889, 87778, 223813, 447626, 1009447, 1623893, 2018894, 3247786, 11542807, 23085614, 37349539, 74699078, 265484561, 427083859, 530969122, 854167718, 9822928757, 19645857514]

約数ペア:

[(1, 19645857514), (2, 9822928757), (23, 854167718), (37, 530969122), (46, 427083859), (74, 265484561), (263, 74699078), (526, 37349539), (851, 23085614), (1702, 11542807), (6049, 3247786), (9731, 2018894), (12098, 1623893), (19462, 1009447), (43889, 447626), (87778, 223813)]