19901790016

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{46199}}^1$

素因数の和:46391

約数の個数: 56

約数和(自身を含む): 40555468800

約数和(自身を除く): 20653678784

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 127, 212, 254, 424, 508, 848, 1016, 1696, 2032, 3392, 4064, 6731, 8128, 13462, 26924, 46199, 53848, 92398, 107696, 184796, 215392, 369592, 430784, 739184, 1478368, 2448547, 2956736, 4897094, 5867273, 9794188, 11734546, 19588376, 23469092, 39176752, 46938184, 78353504, 93876368, 156707008, 187752736, 310965469, 375505472, 621930938, 1243861876, 2487723752, 4975447504, 9950895008, 19901790016]

約数ペア:

[(1, 19901790016), (2, 9950895008), (4, 4975447504), (8, 2487723752), (16, 1243861876), (32, 621930938), (53, 375505472), (64, 310965469), (106, 187752736), (127, 156707008), (212, 93876368), (254, 78353504), (424, 46938184), (508, 39176752), (848, 23469092), (1016, 19588376), (1696, 11734546), (2032, 9794188), (3392, 5867273), (4064, 4897094), (6731, 2956736), (8128, 2448547), (13462, 1478368), (26924, 739184), (46199, 430784), (53848, 369592), (92398, 215392), (107696, 184796)]