19929542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4217}}^1$

素因数の和:4375

約数の個数: 16

約数和(自身を含む): 31888080

約数和(自身を除く): 11958538

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4217, 4726, 8434, 71689, 143378, 586163, 1172326, 9964771, 19929542]

約数ペア:

[(1, 19929542), (2, 9964771), (17, 1172326), (34, 586163), (139, 143378), (278, 71689), (2363, 8434), (4217, 4726)]