18610761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 9274551

約数列:

[1, 3, 13, 39, 41, 103, 113, 123, 309, 339, 533, 1339, 1469, 1599, 4017, 4223, 4407, 4633, 11639, 12669, 13899, 34917, 54899, 60229, 151307, 164697, 180687, 453921, 477199, 1431597, 6203587, 18610761]

約数ペア:

[(1, 18610761), (3, 6203587), (13, 1431597), (39, 477199), (41, 453921), (103, 180687), (113, 164697), (123, 151307), (309, 60229), (339, 54899), (533, 34917), (1339, 13899), (1469, 12669), (1599, 11639), (4017, 4633), (4223, 4407)]