18895383

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 31358880

約数和(自身を除く): 12463497

約数列:

[1, 3, 9, 13, 27, 39, 41, 101, 117, 123, 169, 303, 351, 369, 507, 533, 909, 1107, 1313, 1521, 1599, 2727, 3939, 4141, 4563, 4797, 6929, 11817, 12423, 14391, 17069, 20787, 35451, 37269, 51207, 53833, 62361, 111807, 153621, 161499, 187083, 460863, 484497, 699829, 1453491, 2099487, 6298461, 18895383]

約数ペア:

[(1, 18895383), (3, 6298461), (9, 2099487), (13, 1453491), (27, 699829), (39, 484497), (41, 460863), (101, 187083), (117, 161499), (123, 153621), (169, 111807), (303, 62361), (351, 53833), (369, 51207), (507, 37269), (533, 35451), (909, 20787), (1107, 17069), (1313, 14391), (1521, 12423), (1599, 11817), (2727, 6929), (3939, 4797), (4141, 4563)]