18790254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 46826208

約数和(自身を除く): 28035954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 757, 1182, 1379, 1514, 1773, 2271, 2758, 3546, 4137, 4542, 5299, 6813, 8274, 10598, 12411, 13626, 15897, 24822, 31794, 47691, 95382, 149129, 298258, 447387, 894774, 1043903, 1342161, 2087806, 2684322, 3131709, 6263418, 9395127, 18790254]

約数ペア:

[(1, 18790254), (2, 9395127), (3, 6263418), (6, 3131709), (7, 2684322), (9, 2087806), (14, 1342161), (18, 1043903), (21, 894774), (42, 447387), (63, 298258), (126, 149129), (197, 95382), (394, 47691), (591, 31794), (757, 24822), (1182, 15897), (1379, 13626), (1514, 12411), (1773, 10598), (2271, 8274), (2758, 6813), (3546, 5299), (4137, 4542)]