18271566

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 44023824

約数和(自身を除く): 25752258

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 71, 87, 102, 142, 153, 174, 213, 261, 306, 426, 493, 522, 639, 841, 986, 1207, 1278, 1479, 1682, 2059, 2414, 2523, 2958, 3621, 4118, 4437, 5046, 6177, 7242, 7569, 8874, 10863, 12354, 14297, 15138, 18531, 21726, 28594, 35003, 37062, 42891, 59711, 70006, 85782, 105009, 119422, 128673, 179133, 210018, 257346, 315027, 358266, 537399, 630054, 1015087, 1074798, 2030174, 3045261, 6090522, 9135783, 18271566]

約数ペア:

[(1, 18271566), (2, 9135783), (3, 6090522), (6, 3045261), (9, 2030174), (17, 1074798), (18, 1015087), (29, 630054), (34, 537399), (51, 358266), (58, 315027), (71, 257346), (87, 210018), (102, 179133), (142, 128673), (153, 119422), (174, 105009), (213, 85782), (261, 70006), (306, 59711), (426, 42891), (493, 37062), (522, 35003), (639, 28594), (841, 21726), (986, 18531), (1207, 15138), (1278, 14297), (1479, 12354), (1682, 10863), (2059, 8874), (2414, 7569), (2523, 7242), (2958, 6177), (3621, 5046), (4118, 4437)]