18986855220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11720281}}^1$

素因数の和:11720302

約数の個数: 60

約数和(自身を含む): 59562473124

約数和(自身を除く): 40575617904

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, 11720281, 23440562, 35160843, 46881124, 58601405, 70321686, 105482529, 117202810, 140643372, 175804215, 210965058, 234405620, 316447587, 351608430, 421930116, 527412645, 632895174, 703216860, 949342761, 1054825290, 1265790348, 1582237935, 1898685522, 2109650580, 3164475870, 3797371044, 4746713805, 6328951740, 9493427610, 18986855220]

約数ペア:

[(1, 18986855220), (2, 9493427610), (3, 6328951740), (4, 4746713805), (5, 3797371044), (6, 3164475870), (9, 2109650580), (10, 1898685522), (12, 1582237935), (15, 1265790348), (18, 1054825290), (20, 949342761), (27, 703216860), (30, 632895174), (36, 527412645), (45, 421930116), (54, 351608430), (60, 316447587), (81, 234405620), (90, 210965058), (108, 175804215), (135, 140643372), (162, 117202810), (180, 105482529), (270, 70321686), (324, 58601405), (405, 46881124), (540, 35160843), (810, 23440562), (1620, 11720281)]