18758790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23159}}^1$

素因数の和:23178

約数の個数: 40

約数和(自身を含む): 50442480

約数和(自身を除く): 31683690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23159, 46318, 69477, 115795, 138954, 208431, 231590, 347385, 416862, 625293, 694770, 1042155, 1250586, 1875879, 2084310, 3126465, 3751758, 6252930, 9379395, 18758790]

約数ペア:

[(1, 18758790), (2, 9379395), (3, 6252930), (5, 3751758), (6, 3126465), (9, 2084310), (10, 1875879), (15, 1250586), (18, 1042155), (27, 694770), (30, 625293), (45, 416862), (54, 347385), (81, 231590), (90, 208431), (135, 138954), (162, 115795), (270, 69477), (405, 46318), (810, 23159)]