19922288

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6257}}^1$

素因数の和:6464

約数の個数: 20

約数和(自身を含む): 38799600

約数和(自身を除く): 18877312

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6257, 12514, 25028, 50056, 100112, 1245143, 2490286, 4980572, 9961144, 19922288]

約数ペア:

[(1, 19922288), (2, 9961144), (4, 4980572), (8, 2490286), (16, 1245143), (199, 100112), (398, 50056), (796, 25028), (1592, 12514), (3184, 6257)]