19916636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3691}}^1$

素因数の和:3785

約数の個数: 24

約数和(自身を含む): 37215360

約数和(自身を除く): 17298724

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3691, 5396, 7382, 14764, 70129, 140258, 262061, 280516, 524122, 1048244, 4979159, 9958318, 19916636]

約数ペア:

[(1, 19916636), (2, 9958318), (4, 4979159), (19, 1048244), (38, 524122), (71, 280516), (76, 262061), (142, 140258), (284, 70129), (1349, 14764), (2698, 7382), (3691, 5396)]