18913752

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 60999120

約数和(自身を除く): 42085368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 121, 132, 143, 156, 167, 198, 234, 242, 264, 286, 312, 334, 363, 396, 429, 468, 484, 501, 572, 668, 726, 792, 858, 936, 968, 1002, 1089, 1144, 1287, 1336, 1452, 1503, 1573, 1716, 1837, 2004, 2171, 2178, 2574, 2904, 3006, 3146, 3432, 3674, 4008, 4342, 4356, 4719, 5148, 5511, 6012, 6292, 6513, 7348, 8684, 8712, 9438, 10296, 11022, 12024, 12584, 13026, 14157, 14696, 16533, 17368, 18876, 19539, 20207, 22044, 23881, 26052, 28314, 33066, 37752, 39078, 40414, 44088, 47762, 52104, 56628, 60621, 66132, 71643, 78156, 80828, 95524, 113256, 121242, 132264, 143286, 156312, 161656, 181863, 191048, 214929, 242484, 262691, 286572, 363726, 429858, 484968, 525382, 573144, 727452, 788073, 859716, 1050764, 1454904, 1576146, 1719432, 2101528, 2364219, 3152292, 4728438, 6304584, 9456876, 18913752]

約数ペア:

[(1, 18913752), (2, 9456876), (3, 6304584), (4, 4728438), (6, 3152292), (8, 2364219), (9, 2101528), (11, 1719432), (12, 1576146), (13, 1454904), (18, 1050764), (22, 859716), (24, 788073), (26, 727452), (33, 573144), (36, 525382), (39, 484968), (44, 429858), (52, 363726), (66, 286572), (72, 262691), (78, 242484), (88, 214929), (99, 191048), (104, 181863), (117, 161656), (121, 156312), (132, 143286), (143, 132264), (156, 121242), (167, 113256), (198, 95524), (234, 80828), (242, 78156), (264, 71643), (286, 66132), (312, 60621), (334, 56628), (363, 52104), (396, 47762), (429, 44088), (468, 40414), (484, 39078), (501, 37752), (572, 33066), (668, 28314), (726, 26052), (792, 23881), (858, 22044), (936, 20207), (968, 19539), (1002, 18876), (1089, 17368), (1144, 16533), (1287, 14696), (1336, 14157), (1452, 13026), (1503, 12584), (1573, 12024), (1716, 11022), (1837, 10296), (2004, 9438), (2171, 8712), (2178, 8684), (2574, 7348), (2904, 6513), (3006, 6292), (3146, 6012), (3432, 5511), (3674, 5148), (4008, 4719), (4342, 4356)]