18974788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39863}}^1$

素因数の和:39891

約数の個数: 24

約数和(自身を含む): 40182912

約数和(自身を除く): 21208124

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39863, 79726, 159452, 279041, 558082, 677671, 1116164, 1355342, 2710684, 4743697, 9487394, 18974788]

約数ペア:

[(1, 18974788), (2, 9487394), (4, 4743697), (7, 2710684), (14, 1355342), (17, 1116164), (28, 677671), (34, 558082), (68, 279041), (119, 159452), (238, 79726), (476, 39863)]