19669760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 52195584

約数和(自身を除く): 32525824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 127, 128, 160, 176, 220, 242, 254, 256, 320, 352, 440, 484, 508, 605, 635, 640, 704, 880, 968, 1016, 1210, 1270, 1280, 1397, 1408, 1760, 1936, 2032, 2420, 2540, 2794, 2816, 3520, 3872, 4064, 4840, 5080, 5588, 6985, 7040, 7744, 8128, 9680, 10160, 11176, 13970, 14080, 15367, 15488, 16256, 19360, 20320, 22352, 27940, 30734, 30976, 32512, 38720, 40640, 44704, 55880, 61468, 76835, 77440, 81280, 89408, 111760, 122936, 153670, 154880, 162560, 178816, 223520, 245872, 307340, 357632, 447040, 491744, 614680, 894080, 983488, 1229360, 1788160, 1966976, 2458720, 3933952, 4917440, 9834880, 19669760]

約数ペア:

[(1, 19669760), (2, 9834880), (4, 4917440), (5, 3933952), (8, 2458720), (10, 1966976), (11, 1788160), (16, 1229360), (20, 983488), (22, 894080), (32, 614680), (40, 491744), (44, 447040), (55, 357632), (64, 307340), (80, 245872), (88, 223520), (110, 178816), (121, 162560), (127, 154880), (128, 153670), (160, 122936), (176, 111760), (220, 89408), (242, 81280), (254, 77440), (256, 76835), (320, 61468), (352, 55880), (440, 44704), (484, 40640), (508, 38720), (605, 32512), (635, 30976), (640, 30734), (704, 27940), (880, 22352), (968, 20320), (1016, 19360), (1210, 16256), (1270, 15488), (1280, 15367), (1397, 14080), (1408, 13970), (1760, 11176), (1936, 10160), (2032, 9680), (2420, 8128), (2540, 7744), (2794, 7040), (2816, 6985), (3520, 5588), (3872, 5080), (4064, 4840)]