18810825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^2$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 34154064

約数和(自身を除く): 15343239

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 151, 165, 275, 453, 755, 825, 1661, 2265, 3775, 4983, 8305, 11325, 22801, 24915, 41525, 68403, 114005, 124575, 250811, 342015, 570025, 752433, 1254055, 1710075, 3762165, 6270275, 18810825]

約数ペア:

[(1, 18810825), (3, 6270275), (5, 3762165), (11, 1710075), (15, 1254055), (25, 752433), (33, 570025), (55, 342015), (75, 250811), (151, 124575), (165, 114005), (275, 68403), (453, 41525), (755, 24915), (825, 22801), (1661, 11325), (2265, 8305), (3775, 4983)]