18909774

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 47515104

約数和(自身を除く): 28605330

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 73, 78, 81, 82, 117, 123, 146, 162, 219, 234, 243, 246, 351, 369, 438, 486, 533, 657, 702, 738, 949, 1053, 1066, 1107, 1314, 1599, 1898, 1971, 2106, 2214, 2847, 2993, 3159, 3198, 3321, 3942, 4797, 5694, 5913, 5986, 6318, 6642, 8541, 8979, 9594, 9963, 11826, 14391, 17082, 17739, 17958, 19926, 25623, 26937, 28782, 35478, 38909, 43173, 51246, 53874, 76869, 77818, 80811, 86346, 116727, 129519, 153738, 161622, 230607, 233454, 242433, 259038, 350181, 461214, 484866, 700362, 727299, 1050543, 1454598, 2101086, 3151629, 6303258, 9454887, 18909774]

約数ペア:

[(1, 18909774), (2, 9454887), (3, 6303258), (6, 3151629), (9, 2101086), (13, 1454598), (18, 1050543), (26, 727299), (27, 700362), (39, 484866), (41, 461214), (54, 350181), (73, 259038), (78, 242433), (81, 233454), (82, 230607), (117, 161622), (123, 153738), (146, 129519), (162, 116727), (219, 86346), (234, 80811), (243, 77818), (246, 76869), (351, 53874), (369, 51246), (438, 43173), (486, 38909), (533, 35478), (657, 28782), (702, 26937), (738, 25623), (949, 19926), (1053, 17958), (1066, 17739), (1107, 17082), (1314, 14391), (1599, 11826), (1898, 9963), (1971, 9594), (2106, 8979), (2214, 8541), (2847, 6642), (2993, 6318), (3159, 5986), (3198, 5913), (3321, 5694), (3942, 4797)]