16218728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 31521000

約数和(自身を除く): 15302272

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 349, 628, 698, 1256, 1396, 2792, 5809, 11618, 12913, 23236, 25826, 46472, 51652, 54793, 103304, 109586, 219172, 438344, 2027341, 4054682, 8109364, 16218728]

約数ペア:

[(1, 16218728), (2, 8109364), (4, 4054682), (8, 2027341), (37, 438344), (74, 219172), (148, 109586), (157, 103304), (296, 54793), (314, 51652), (349, 46472), (628, 25826), (698, 23236), (1256, 12913), (1396, 11618), (2792, 5809)]