18819864

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{461}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 60595920

約数和(自身を除く): 41776056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 461, 486, 504, 567, 648, 729, 756, 922, 972, 1134, 1383, 1458, 1512, 1701, 1844, 1944, 2268, 2766, 2916, 3227, 3402, 3688, 4149, 4536, 5103, 5532, 5832, 6454, 6804, 8298, 9681, 10206, 11064, 12447, 12908, 13608, 16596, 19362, 20412, 24894, 25816, 29043, 33192, 37341, 38724, 40824, 49788, 58086, 74682, 77448, 87129, 99576, 112023, 116172, 149364, 174258, 224046, 232344, 261387, 298728, 336069, 348516, 448092, 522774, 672138, 697032, 784161, 896184, 1045548, 1344276, 1568322, 2091096, 2352483, 2688552, 3136644, 4704966, 6273288, 9409932, 18819864]

約数ペア:

[(1, 18819864), (2, 9409932), (3, 6273288), (4, 4704966), (6, 3136644), (7, 2688552), (8, 2352483), (9, 2091096), (12, 1568322), (14, 1344276), (18, 1045548), (21, 896184), (24, 784161), (27, 697032), (28, 672138), (36, 522774), (42, 448092), (54, 348516), (56, 336069), (63, 298728), (72, 261387), (81, 232344), (84, 224046), (108, 174258), (126, 149364), (162, 116172), (168, 112023), (189, 99576), (216, 87129), (243, 77448), (252, 74682), (324, 58086), (378, 49788), (461, 40824), (486, 38724), (504, 37341), (567, 33192), (648, 29043), (729, 25816), (756, 24894), (922, 20412), (972, 19362), (1134, 16596), (1383, 13608), (1458, 12908), (1512, 12447), (1701, 11064), (1844, 10206), (1944, 9681), (2268, 8298), (2766, 6804), (2916, 6454), (3227, 5832), (3402, 5532), (3688, 5103), (4149, 4536)]