19520386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12983294

約数列:

[1, 2, 17, 34, 37, 59, 74, 118, 263, 526, 629, 1003, 1258, 2006, 2183, 4366, 4471, 8942, 9731, 15517, 19462, 31034, 37111, 74222, 165427, 263789, 330854, 527578, 574129, 1148258, 9760193, 19520386]

約数ペア:

[(1, 19520386), (2, 9760193), (17, 1148258), (34, 574129), (37, 527578), (59, 330854), (74, 263789), (118, 165427), (263, 74222), (526, 37111), (629, 31034), (1003, 19462), (1258, 15517), (2006, 9731), (2183, 8942), (4366, 4471)]