19752642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 54512640

約数和(自身を除く): 34759998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 389, 403, 434, 546, 558, 651, 778, 806, 819, 1167, 1209, 1302, 1638, 1953, 2334, 2418, 2723, 2821, 3501, 3627, 3906, 5057, 5446, 5642, 7002, 7254, 8169, 8463, 10114, 12059, 15171, 16338, 16926, 24118, 24507, 25389, 30342, 35399, 36177, 45513, 49014, 50778, 70798, 72354, 84413, 91026, 106197, 108531, 156767, 168826, 212394, 217062, 253239, 313534, 318591, 470301, 506478, 637182, 759717, 940602, 1097369, 1410903, 1519434, 2194738, 2821806, 3292107, 6584214, 9876321, 19752642]

約数ペア:

[(1, 19752642), (2, 9876321), (3, 6584214), (6, 3292107), (7, 2821806), (9, 2194738), (13, 1519434), (14, 1410903), (18, 1097369), (21, 940602), (26, 759717), (31, 637182), (39, 506478), (42, 470301), (62, 318591), (63, 313534), (78, 253239), (91, 217062), (93, 212394), (117, 168826), (126, 156767), (182, 108531), (186, 106197), (217, 91026), (234, 84413), (273, 72354), (279, 70798), (389, 50778), (403, 49014), (434, 45513), (546, 36177), (558, 35399), (651, 30342), (778, 25389), (806, 24507), (819, 24118), (1167, 16926), (1209, 16338), (1302, 15171), (1638, 12059), (1953, 10114), (2334, 8463), (2418, 8169), (2723, 7254), (2821, 7002), (3501, 5642), (3627, 5446), (3906, 5057)]