19902555504

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{247249}}^1$

素因数の和:247319

約数の個数: 120

約数和(自身を含む): 61379318000

約数和(自身を除く): 41476762496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 172, 208, 234, 258, 312, 344, 387, 468, 516, 559, 624, 688, 774, 936, 1032, 1118, 1548, 1677, 1872, 2064, 2236, 3096, 3354, 4472, 5031, 6192, 6708, 8944, 10062, 13416, 20124, 26832, 40248, 80496, 247249, 494498, 741747, 988996, 1483494, 1977992, 2225241, 2966988, 3214237, 3955984, 4450482, 5933976, 6428474, 8900964, 9642711, 10631707, 11867952, 12856948, 17801928, 19285422, 21263414, 25713896, 28928133, 31895121, 35603856, 38570844, 42526828, 51427792, 57856266, 63790242, 77141688, 85053656, 95685363, 115712532, 127580484, 138212191, 154283376, 170107312, 191370726, 231425064, 255160968, 276424382, 382741452, 414636573, 462850128, 510321936, 552848764, 765482904, 829273146, 1105697528, 1243909719, 1530965808, 1658546292, 2211395056, 2487819438, 3317092584, 4975638876, 6634185168, 9951277752, 19902555504]

約数ペア:

[(1, 19902555504), (2, 9951277752), (3, 6634185168), (4, 4975638876), (6, 3317092584), (8, 2487819438), (9, 2211395056), (12, 1658546292), (13, 1530965808), (16, 1243909719), (18, 1105697528), (24, 829273146), (26, 765482904), (36, 552848764), (39, 510321936), (43, 462850128), (48, 414636573), (52, 382741452), (72, 276424382), (78, 255160968), (86, 231425064), (104, 191370726), (117, 170107312), (129, 154283376), (144, 138212191), (156, 127580484), (172, 115712532), (208, 95685363), (234, 85053656), (258, 77141688), (312, 63790242), (344, 57856266), (387, 51427792), (468, 42526828), (516, 38570844), (559, 35603856), (624, 31895121), (688, 28928133), (774, 25713896), (936, 21263414), (1032, 19285422), (1118, 17801928), (1548, 12856948), (1677, 11867952), (1872, 10631707), (2064, 9642711), (2236, 8900964), (3096, 6428474), (3354, 5933976), (4472, 4450482), (5031, 3955984), (6192, 3214237), (6708, 2966988), (8944, 2225241), (10062, 1977992), (13416, 1483494), (20124, 988996), (26832, 741747), (40248, 494498), (80496, 247249)]