18467757

素因数分解:

$3^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 35885376

約数和(自身を除く): 17417619

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 49, 63, 77, 81, 99, 141, 147, 189, 231, 243, 297, 329, 423, 441, 517, 539, 567, 693, 729, 891, 987, 1269, 1323, 1551, 1617, 1701, 2079, 2303, 2673, 2961, 3619, 3807, 3969, 4653, 4851, 5103, 6237, 6909, 8019, 8883, 10857, 11421, 11907, 13959, 14553, 18711, 20727, 25333, 26649, 32571, 34263, 35721, 41877, 43659, 56133, 62181, 75999, 79947, 97713, 125631, 130977, 186543, 227997, 239841, 293139, 376893, 392931, 559629, 683991, 879417, 1678887, 2051973, 2638251, 6155919, 18467757]

約数ペア:

[(1, 18467757), (3, 6155919), (7, 2638251), (9, 2051973), (11, 1678887), (21, 879417), (27, 683991), (33, 559629), (47, 392931), (49, 376893), (63, 293139), (77, 239841), (81, 227997), (99, 186543), (141, 130977), (147, 125631), (189, 97713), (231, 79947), (243, 75999), (297, 62181), (329, 56133), (423, 43659), (441, 41877), (517, 35721), (539, 34263), (567, 32571), (693, 26649), (729, 25333), (891, 20727), (987, 18711), (1269, 14553), (1323, 13959), (1551, 11907), (1617, 11421), (1701, 10857), (2079, 8883), (2303, 8019), (2673, 6909), (2961, 6237), (3619, 5103), (3807, 4851), (3969, 4653)]