19237040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 47101152

約数和(自身を除く): 27864112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 97, 134, 148, 185, 194, 268, 296, 335, 370, 388, 485, 536, 592, 670, 740, 776, 970, 1072, 1340, 1480, 1552, 1940, 2479, 2680, 2960, 3589, 3880, 4958, 5360, 6499, 7178, 7760, 9916, 12395, 12998, 14356, 17945, 19832, 24790, 25996, 28712, 32495, 35890, 39664, 49580, 51992, 57424, 64990, 71780, 99160, 103984, 129980, 143560, 198320, 240463, 259960, 287120, 480926, 519920, 961852, 1202315, 1923704, 2404630, 3847408, 4809260, 9618520, 19237040]

約数ペア:

[(1, 19237040), (2, 9618520), (4, 4809260), (5, 3847408), (8, 2404630), (10, 1923704), (16, 1202315), (20, 961852), (37, 519920), (40, 480926), (67, 287120), (74, 259960), (80, 240463), (97, 198320), (134, 143560), (148, 129980), (185, 103984), (194, 99160), (268, 71780), (296, 64990), (335, 57424), (370, 51992), (388, 49580), (485, 39664), (536, 35890), (592, 32495), (670, 28712), (740, 25996), (776, 24790), (970, 19832), (1072, 17945), (1340, 14356), (1480, 12998), (1552, 12395), (1940, 9916), (2479, 7760), (2680, 7178), (2960, 6499), (3589, 5360), (3880, 4958)]