19702228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23198252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 182, 226, 364, 452, 479, 791, 958, 1469, 1582, 1916, 2938, 3164, 3353, 5876, 6227, 6706, 10283, 12454, 13412, 20566, 24908, 41132, 43589, 54127, 87178, 108254, 174356, 216508, 378889, 703651, 757778, 1407302, 1515556, 2814604, 4925557, 9851114, 19702228]

約数ペア:

[(1, 19702228), (2, 9851114), (4, 4925557), (7, 2814604), (13, 1515556), (14, 1407302), (26, 757778), (28, 703651), (52, 378889), (91, 216508), (113, 174356), (182, 108254), (226, 87178), (364, 54127), (452, 43589), (479, 41132), (791, 24908), (958, 20566), (1469, 13412), (1582, 12454), (1916, 10283), (2938, 6706), (3164, 6227), (3353, 5876)]