2019926912

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:1015

約数の個数: 64

約数和(自身を含む): 4090240800

約数和(自身を除く): 2070313888

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 281, 356, 562, 631, 712, 1124, 1262, 1424, 2248, 2524, 2848, 4496, 5048, 5696, 8992, 10096, 11392, 17984, 20192, 25009, 35968, 40384, 50018, 56159, 80768, 100036, 112318, 177311, 200072, 224636, 354622, 400144, 449272, 709244, 800288, 898544, 1418488, 1600576, 1797088, 2836976, 3201152, 3594176, 5673952, 7188352, 11347904, 15780679, 22695808, 31561358, 63122716, 126245432, 252490864, 504981728, 1009963456, 2019926912]

約数ペア:

[(1, 2019926912), (2, 1009963456), (4, 504981728), (8, 252490864), (16, 126245432), (32, 63122716), (64, 31561358), (89, 22695808), (128, 15780679), (178, 11347904), (281, 7188352), (356, 5673952), (562, 3594176), (631, 3201152), (712, 2836976), (1124, 1797088), (1262, 1600576), (1424, 1418488), (2248, 898544), (2524, 800288), (2848, 709244), (4496, 449272), (5048, 400144), (5696, 354622), (8992, 224636), (10096, 200072), (11392, 177311), (17984, 112318), (20192, 100036), (25009, 80768), (35968, 56159), (40384, 50018)]