19621270

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19427}}^1$

素因数の和:19535

約数の個数: 16

約数和(自身を含む): 35669808

約数和(自身を除く): 16048538

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19427, 38854, 97135, 194270, 1962127, 3924254, 9810635, 19621270]

約数ペア:

[(1, 19621270), (2, 9810635), (5, 3924254), (10, 1962127), (101, 194270), (202, 97135), (505, 38854), (1010, 19427)]