18872617324

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1439

約数の個数: 72

約数和(自身を含む): 36711981488

約数和(自身を除く): 17839364164

約数列:

[1, 2, 4, 11, 22, 44, 121, 181, 211, 242, 362, 422, 484, 724, 844, 1021, 1991, 2042, 2321, 3982, 4084, 4642, 7964, 9284, 11231, 21901, 22462, 25531, 38191, 43802, 44924, 51062, 76382, 87604, 102124, 123541, 152764, 184801, 215431, 247082, 369602, 420101, 430862, 494164, 739204, 840202, 861724, 1680404, 2032811, 2369741, 4065622, 4621111, 4739482, 8131244, 9242222, 9478964, 18484444, 22360921, 26067151, 38993011, 44721842, 52134302, 77986022, 89443684, 104268604, 155972044, 428923121, 857846242, 1715692484, 4718154331, 9436308662, 18872617324]

約数ペア:

[(1, 18872617324), (2, 9436308662), (4, 4718154331), (11, 1715692484), (22, 857846242), (44, 428923121), (121, 155972044), (181, 104268604), (211, 89443684), (242, 77986022), (362, 52134302), (422, 44721842), (484, 38993011), (724, 26067151), (844, 22360921), (1021, 18484444), (1991, 9478964), (2042, 9242222), (2321, 8131244), (3982, 4739482), (4084, 4621111), (4642, 4065622), (7964, 2369741), (9284, 2032811), (11231, 1680404), (21901, 861724), (22462, 840202), (25531, 739204), (38191, 494164), (43802, 430862), (44924, 420101), (51062, 369602), (76382, 247082), (87604, 215431), (102124, 184801), (123541, 152764)]