18419868

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3259}}^1$

素因数の和:3426

約数の個数: 36

約数和(自身を含む): 46872280

約数和(自身を除く): 28452412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3259, 5652, 6518, 9777, 13036, 19554, 29331, 39108, 58662, 117324, 511663, 1023326, 1534989, 2046652, 3069978, 4604967, 6139956, 9209934, 18419868]

約数ペア:

[(1, 18419868), (2, 9209934), (3, 6139956), (4, 4604967), (6, 3069978), (9, 2046652), (12, 1534989), (18, 1023326), (36, 511663), (157, 117324), (314, 58662), (471, 39108), (628, 29331), (942, 19554), (1413, 13036), (1884, 9777), (2826, 6518), (3259, 5652)]