19389942

素因数分解:

$2^1\times 3^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 128

約数和(自身を含む): 52899840

約数和(自身を除く): 33509898

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 31, 33, 39, 54, 62, 66, 78, 81, 93, 99, 117, 143, 162, 186, 198, 234, 243, 279, 286, 297, 341, 351, 403, 429, 486, 558, 594, 682, 702, 729, 806, 837, 858, 891, 1023, 1053, 1209, 1287, 1458, 1674, 1782, 2046, 2106, 2187, 2418, 2511, 2574, 2673, 3069, 3159, 3627, 3861, 4374, 4433, 5022, 5346, 6138, 6318, 7254, 7533, 7722, 8019, 8866, 9207, 9477, 10881, 11583, 13299, 15066, 16038, 18414, 18954, 21762, 22599, 23166, 24057, 26598, 27621, 28431, 32643, 34749, 39897, 45198, 48114, 55242, 56862, 65286, 67797, 69498, 79794, 82863, 97929, 104247, 119691, 135594, 165726, 195858, 208494, 239382, 248589, 293787, 312741, 359073, 497178, 587574, 625482, 718146, 745767, 881361, 1077219, 1491534, 1762722, 2154438, 3231657, 6463314, 9694971, 19389942]

約数ペア:

[(1, 19389942), (2, 9694971), (3, 6463314), (6, 3231657), (9, 2154438), (11, 1762722), (13, 1491534), (18, 1077219), (22, 881361), (26, 745767), (27, 718146), (31, 625482), (33, 587574), (39, 497178), (54, 359073), (62, 312741), (66, 293787), (78, 248589), (81, 239382), (93, 208494), (99, 195858), (117, 165726), (143, 135594), (162, 119691), (186, 104247), (198, 97929), (234, 82863), (243, 79794), (279, 69498), (286, 67797), (297, 65286), (341, 56862), (351, 55242), (403, 48114), (429, 45198), (486, 39897), (558, 34749), (594, 32643), (682, 28431), (702, 27621), (729, 26598), (806, 24057), (837, 23166), (858, 22599), (891, 21762), (1023, 18954), (1053, 18414), (1209, 16038), (1287, 15066), (1458, 13299), (1674, 11583), (1782, 10881), (2046, 9477), (2106, 9207), (2187, 8866), (2418, 8019), (2511, 7722), (2574, 7533), (2673, 7254), (3069, 6318), (3159, 6138), (3627, 5346), (3861, 5022), (4374, 4433)]