19315131472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{308509}}^1$

素因数の和:308580

約数の個数: 80

約数和(自身を含む): 47130455680

約数和(自身を除く): 27815324208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4472, 4816, 7826, 8944, 15652, 31304, 62608, 308509, 617018, 1234036, 2159563, 2468072, 4010617, 4319126, 4936144, 8021234, 8638252, 13265887, 16042468, 17276504, 26531774, 28074319, 32084936, 34553008, 53063548, 56148638, 64169872, 92861209, 106127096, 112297276, 172456531, 185722418, 212254192, 224594552, 344913062, 371444836, 449189104, 689826124, 742889672, 1207195717, 1379652248, 1485779344, 2414391434, 2759304496, 4828782868, 9657565736, 19315131472]

約数ペア:

[(1, 19315131472), (2, 9657565736), (4, 4828782868), (7, 2759304496), (8, 2414391434), (13, 1485779344), (14, 1379652248), (16, 1207195717), (26, 742889672), (28, 689826124), (43, 449189104), (52, 371444836), (56, 344913062), (86, 224594552), (91, 212254192), (104, 185722418), (112, 172456531), (172, 112297276), (182, 106127096), (208, 92861209), (301, 64169872), (344, 56148638), (364, 53063548), (559, 34553008), (602, 32084936), (688, 28074319), (728, 26531774), (1118, 17276504), (1204, 16042468), (1456, 13265887), (2236, 8638252), (2408, 8021234), (3913, 4936144), (4472, 4319126), (4816, 4010617), (7826, 2468072), (8944, 2159563), (15652, 1234036), (31304, 617018), (62608, 308509)]