18663040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 49244580

約数和(自身を除く): 30581540

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, 241, 242, 320, 352, 440, 482, 484, 605, 640, 704, 880, 964, 968, 1205, 1210, 1408, 1760, 1928, 1936, 2410, 2420, 2651, 3520, 3856, 3872, 4820, 4840, 5302, 7040, 7712, 7744, 9640, 9680, 10604, 13255, 15424, 15488, 19280, 19360, 21208, 26510, 29161, 30848, 38560, 38720, 42416, 53020, 58322, 77120, 77440, 84832, 106040, 116644, 145805, 154240, 169664, 212080, 233288, 291610, 339328, 424160, 466576, 583220, 848320, 933152, 1166440, 1696640, 1866304, 2332880, 3732608, 4665760, 9331520, 18663040]

約数ペア:

[(1, 18663040), (2, 9331520), (4, 4665760), (5, 3732608), (8, 2332880), (10, 1866304), (11, 1696640), (16, 1166440), (20, 933152), (22, 848320), (32, 583220), (40, 466576), (44, 424160), (55, 339328), (64, 291610), (80, 233288), (88, 212080), (110, 169664), (121, 154240), (128, 145805), (160, 116644), (176, 106040), (220, 84832), (241, 77440), (242, 77120), (320, 58322), (352, 53020), (440, 42416), (482, 38720), (484, 38560), (605, 30848), (640, 29161), (704, 26510), (880, 21208), (964, 19360), (968, 19280), (1205, 15488), (1210, 15424), (1408, 13255), (1760, 10604), (1928, 9680), (1936, 9640), (2410, 7744), (2420, 7712), (2651, 7040), (3520, 5302), (3856, 4840), (3872, 4820)]