18429848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 38988000

約数和(自身を除く): 20558152

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 58, 74, 76, 113, 116, 148, 152, 226, 232, 296, 452, 551, 703, 904, 1073, 1102, 1406, 2146, 2147, 2204, 2812, 3277, 4181, 4292, 4294, 4408, 5624, 6554, 8362, 8584, 8588, 13108, 16724, 17176, 20387, 26216, 33448, 40774, 62263, 79439, 81548, 121249, 124526, 158878, 163096, 242498, 249052, 317756, 484996, 498104, 635512, 969992, 2303731, 4607462, 9214924, 18429848]

約数ペア:

[(1, 18429848), (2, 9214924), (4, 4607462), (8, 2303731), (19, 969992), (29, 635512), (37, 498104), (38, 484996), (58, 317756), (74, 249052), (76, 242498), (113, 163096), (116, 158878), (148, 124526), (152, 121249), (226, 81548), (232, 79439), (296, 62263), (452, 40774), (551, 33448), (703, 26216), (904, 20387), (1073, 17176), (1102, 16724), (1406, 13108), (2146, 8588), (2147, 8584), (2204, 8362), (2812, 6554), (3277, 5624), (4181, 4408), (4292, 4294)]