19557018

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2143}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 47082240

約数和(自身を除く): 27525222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2143, 3042, 4286, 4563, 6429, 9126, 12858, 19287, 27859, 38574, 55718, 57861, 83577, 115722, 167154, 250731, 362167, 501462, 724334, 752193, 1086501, 1504386, 2173002, 3259503, 6519006, 9778509, 19557018]

約数ペア:

[(1, 19557018), (2, 9778509), (3, 6519006), (6, 3259503), (9, 2173002), (13, 1504386), (18, 1086501), (26, 752193), (27, 724334), (39, 501462), (54, 362167), (78, 250731), (117, 167154), (169, 115722), (234, 83577), (338, 57861), (351, 55718), (507, 38574), (702, 27859), (1014, 19287), (1521, 12858), (2143, 9126), (3042, 6429), (4286, 4563)]