18388620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11351}}^1$

素因数の和:11372

約数の個数: 60

約数和(自身を含む): 57690864

約数和(自身を除く): 39302244

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, 11351, 22702, 34053, 45404, 56755, 68106, 102159, 113510, 136212, 170265, 204318, 227020, 306477, 340530, 408636, 510795, 612954, 681060, 919431, 1021590, 1225908, 1532385, 1838862, 2043180, 3064770, 3677724, 4597155, 6129540, 9194310, 18388620]

約数ペア:

[(1, 18388620), (2, 9194310), (3, 6129540), (4, 4597155), (5, 3677724), (6, 3064770), (9, 2043180), (10, 1838862), (12, 1532385), (15, 1225908), (18, 1021590), (20, 919431), (27, 681060), (30, 612954), (36, 510795), (45, 408636), (54, 340530), (60, 306477), (81, 227020), (90, 204318), (108, 170265), (135, 136212), (162, 113510), (180, 102159), (270, 68106), (324, 56755), (405, 45404), (540, 34053), (810, 22702), (1620, 11351)]