19953726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{733}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 43159200

約数和(自身を除く): 23205474

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 733, 1047, 1466, 2094, 2199, 4398, 4537, 9074, 9529, 13611, 19058, 27222, 28587, 57174, 255817, 511634, 767451, 1534902, 3325621, 6651242, 9976863, 19953726]

約数ペア:

[(1, 19953726), (2, 9976863), (3, 6651242), (6, 3325621), (13, 1534902), (26, 767451), (39, 511634), (78, 255817), (349, 57174), (698, 28587), (733, 27222), (1047, 19058), (1466, 13611), (2094, 9529), (2199, 9074), (4398, 4537)]