18945696

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 43796256

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 121, 132, 154, 168, 176, 224, 231, 233, 242, 264, 308, 336, 352, 363, 462, 466, 484, 528, 616, 672, 699, 726, 847, 924, 932, 968, 1056, 1232, 1398, 1452, 1631, 1694, 1848, 1864, 1936, 2464, 2541, 2563, 2796, 2904, 3262, 3388, 3696, 3728, 3872, 4893, 5082, 5126, 5592, 5808, 6524, 6776, 7392, 7456, 7689, 9786, 10164, 10252, 11184, 11616, 13048, 13552, 15378, 17941, 19572, 20328, 20504, 22368, 26096, 27104, 28193, 30756, 35882, 39144, 40656, 41008, 52192, 53823, 56386, 61512, 71764, 78288, 81312, 82016, 84579, 107646, 112772, 123024, 143528, 156576, 169158, 197351, 215292, 225544, 246048, 287056, 338316, 394702, 430584, 451088, 574112, 592053, 676632, 789404, 861168, 902176, 1184106, 1353264, 1578808, 1722336, 2368212, 2706528, 3157616, 4736424, 6315232, 9472848, 18945696]

約数ペア:

[(1, 18945696), (2, 9472848), (3, 6315232), (4, 4736424), (6, 3157616), (7, 2706528), (8, 2368212), (11, 1722336), (12, 1578808), (14, 1353264), (16, 1184106), (21, 902176), (22, 861168), (24, 789404), (28, 676632), (32, 592053), (33, 574112), (42, 451088), (44, 430584), (48, 394702), (56, 338316), (66, 287056), (77, 246048), (84, 225544), (88, 215292), (96, 197351), (112, 169158), (121, 156576), (132, 143528), (154, 123024), (168, 112772), (176, 107646), (224, 84579), (231, 82016), (233, 81312), (242, 78288), (264, 71764), (308, 61512), (336, 56386), (352, 53823), (363, 52192), (462, 41008), (466, 40656), (484, 39144), (528, 35882), (616, 30756), (672, 28193), (699, 27104), (726, 26096), (847, 22368), (924, 20504), (932, 20328), (968, 19572), (1056, 17941), (1232, 15378), (1398, 13552), (1452, 13048), (1631, 11616), (1694, 11184), (1848, 10252), (1864, 10164), (1936, 9786), (2464, 7689), (2541, 7456), (2563, 7392), (2796, 6776), (2904, 6524), (3262, 5808), (3388, 5592), (3696, 5126), (3728, 5082), (3872, 4893)]