18940568580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11691709}}^1$

素因数の和:11691730

約数の個数: 60

約数和(自身を含む): 59417270220

約数和(自身を除く): 40476701640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11691709, 23383418, 35075127, 46766836, 58458545, 70150254, 105225381, 116917090, 140300508, 175375635, 210450762, 233834180, 315676143, 350751270, 420901524, 526126905, 631352286, 701502540, 947028429, 1052253810, 1262704572, 1578380715, 1894056858, 2104507620, 3156761430, 3788113716, 4735142145, 6313522860, 9470284290, 18940568580]

約数ペア:

[(1, 18940568580), (2, 9470284290), (3, 6313522860), (4, 4735142145), (5, 3788113716), (6, 3156761430), (9, 2104507620), (10, 1894056858), (12, 1578380715), (15, 1262704572), (18, 1052253810), (20, 947028429), (27, 701502540), (30, 631352286), (36, 526126905), (45, 420901524), (54, 350751270), (60, 315676143), (81, 233834180), (90, 210450762), (108, 175375635), (135, 140300508), (162, 116917090), (180, 105225381), (270, 70150254), (324, 58458545), (405, 46766836), (540, 35075127), (810, 23383418), (1620, 11691709)]