18508160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 30329440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 239, 242, 320, 352, 440, 478, 484, 605, 640, 704, 880, 956, 968, 1195, 1210, 1408, 1760, 1912, 1936, 2390, 2420, 2629, 3520, 3824, 3872, 4780, 4840, 5258, 7040, 7648, 7744, 9560, 9680, 10516, 13145, 15296, 15488, 19120, 19360, 21032, 26290, 28919, 30592, 38240, 38720, 42064, 52580, 57838, 76480, 77440, 84128, 105160, 115676, 144595, 152960, 168256, 210320, 231352, 289190, 336512, 420640, 462704, 578380, 841280, 925408, 1156760, 1682560, 1850816, 2313520, 3701632, 4627040, 9254080, 18508160]

約数ペア:

[(1, 18508160), (2, 9254080), (4, 4627040), (5, 3701632), (8, 2313520), (10, 1850816), (11, 1682560), (16, 1156760), (20, 925408), (22, 841280), (32, 578380), (40, 462704), (44, 420640), (55, 336512), (64, 289190), (80, 231352), (88, 210320), (110, 168256), (121, 152960), (128, 144595), (160, 115676), (176, 105160), (220, 84128), (239, 77440), (242, 76480), (320, 57838), (352, 52580), (440, 42064), (478, 38720), (484, 38240), (605, 30592), (640, 28919), (704, 26290), (880, 21032), (956, 19360), (968, 19120), (1195, 15488), (1210, 15296), (1408, 13145), (1760, 10516), (1912, 9680), (1936, 9560), (2390, 7744), (2420, 7648), (2629, 7040), (3520, 5258), (3824, 4840), (3872, 4780)]