19949415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78233}}^1$

素因数の和:78258

約数の個数: 16

約数和(自身を含む): 33797088

約数和(自身を除く): 13847673

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78233, 234699, 391165, 1173495, 1329961, 3989883, 6649805, 19949415]

約数ペア:

[(1, 19949415), (3, 6649805), (5, 3989883), (15, 1329961), (17, 1173495), (51, 391165), (85, 234699), (255, 78233)]