19997904

素因数分解:

$2^4\times 3^1\times {\mathrm{416623}}^1$

素因数の和:416634

約数の個数: 20

約数和(自身を含む): 51661376

約数和(自身を除く): 31663472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 416623, 833246, 1249869, 1666492, 2499738, 3332984, 4999476, 6665968, 9998952, 19997904]

約数ペア:

[(1, 19997904), (2, 9998952), (3, 6665968), (4, 4999476), (6, 3332984), (8, 2499738), (12, 1666492), (16, 1249869), (24, 833246), (48, 416623)]