19826704

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12269}}^1$

素因数の和:12378

約数の個数: 20

約数和(自身を含む): 38797740

約数和(自身を除く): 18971036

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12269, 24538, 49076, 98152, 196304, 1239169, 2478338, 4956676, 9913352, 19826704]

約数ペア:

[(1, 19826704), (2, 9913352), (4, 4956676), (8, 2478338), (16, 1239169), (101, 196304), (202, 98152), (404, 49076), (808, 24538), (1616, 12269)]