19103840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 53089344

約数和(自身を除く): 33985504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 461, 518, 560, 592, 740, 922, 1036, 1120, 1184, 1295, 1480, 1844, 2072, 2305, 2590, 2960, 3227, 3688, 4144, 4610, 5180, 5920, 6454, 7376, 8288, 9220, 10360, 12908, 14752, 16135, 17057, 18440, 20720, 25816, 32270, 34114, 36880, 41440, 51632, 64540, 68228, 73760, 85285, 103264, 119399, 129080, 136456, 170570, 238798, 258160, 272912, 341140, 477596, 516320, 545824, 596995, 682280, 955192, 1193990, 1364560, 1910384, 2387980, 2729120, 3820768, 4775960, 9551920, 19103840]

約数ペア:

[(1, 19103840), (2, 9551920), (4, 4775960), (5, 3820768), (7, 2729120), (8, 2387980), (10, 1910384), (14, 1364560), (16, 1193990), (20, 955192), (28, 682280), (32, 596995), (35, 545824), (37, 516320), (40, 477596), (56, 341140), (70, 272912), (74, 258160), (80, 238798), (112, 170570), (140, 136456), (148, 129080), (160, 119399), (185, 103264), (224, 85285), (259, 73760), (280, 68228), (296, 64540), (370, 51632), (461, 41440), (518, 36880), (560, 34114), (592, 32270), (740, 25816), (922, 20720), (1036, 18440), (1120, 17057), (1184, 16135), (1295, 14752), (1480, 12908), (1844, 10360), (2072, 9220), (2305, 8288), (2590, 7376), (2960, 6454), (3227, 5920), (3688, 5180), (4144, 4610)]