18646571804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5531}}^1\times {\mathrm{6337}}^1$

素因数の和:11898

約数の個数: 48

約数和(自身を含む): 39269233920

約数和(自身を除く): 20622662116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 5531, 6337, 11062, 12674, 22124, 25348, 38717, 44359, 77434, 88718, 105089, 120403, 154868, 177436, 210178, 240806, 420356, 481612, 735623, 842821, 1471246, 1685642, 2942492, 3371284, 35049947, 70099894, 140199788, 245349629, 490699258, 665948993, 981398516, 1331897986, 2663795972, 4661642951, 9323285902, 18646571804]

約数ペア:

[(1, 18646571804), (2, 9323285902), (4, 4661642951), (7, 2663795972), (14, 1331897986), (19, 981398516), (28, 665948993), (38, 490699258), (76, 245349629), (133, 140199788), (266, 70099894), (532, 35049947), (5531, 3371284), (6337, 2942492), (11062, 1685642), (12674, 1471246), (22124, 842821), (25348, 735623), (38717, 481612), (44359, 420356), (77434, 240806), (88718, 210178), (105089, 177436), (120403, 154868)]