18827690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 38911104

約数和(自身を除く): 20083414

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 971, 1385, 1939, 1942, 2770, 3878, 4855, 6797, 9695, 9710, 13594, 19390, 33985, 67970, 268967, 537934, 1344835, 1882769, 2689670, 3765538, 9413845, 18827690]

約数ペア:

[(1, 18827690), (2, 9413845), (5, 3765538), (7, 2689670), (10, 1882769), (14, 1344835), (35, 537934), (70, 268967), (277, 67970), (554, 33985), (971, 19390), (1385, 13594), (1939, 9710), (1942, 9695), (2770, 6797), (3878, 4855)]