18520758

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1741}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 41389920

約数和(自身を除く): 22869162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1741, 1773, 3482, 3546, 5223, 5319, 10446, 10638, 15669, 31338, 47007, 94014, 342977, 685954, 1028931, 2057862, 3086793, 6173586, 9260379, 18520758]

約数ペア:

[(1, 18520758), (2, 9260379), (3, 6173586), (6, 3086793), (9, 2057862), (18, 1028931), (27, 685954), (54, 342977), (197, 94014), (394, 47007), (591, 31338), (1182, 15669), (1741, 10638), (1773, 10446), (3482, 5319), (3546, 5223)]