19620864

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2129}}^1$

素因数の和:2155

約数の個数: 66

約数和(自身を含む): 56681430

約数和(自身を除く): 37060566

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2129, 2304, 3072, 4258, 4608, 6387, 8516, 9216, 12774, 17032, 19161, 25548, 34064, 38322, 51096, 68128, 76644, 102192, 136256, 153288, 204384, 272512, 306576, 408768, 545024, 613152, 817536, 1090048, 1226304, 1635072, 2180096, 2452608, 3270144, 4905216, 6540288, 9810432, 19620864]

約数ペア:

[(1, 19620864), (2, 9810432), (3, 6540288), (4, 4905216), (6, 3270144), (8, 2452608), (9, 2180096), (12, 1635072), (16, 1226304), (18, 1090048), (24, 817536), (32, 613152), (36, 545024), (48, 408768), (64, 306576), (72, 272512), (96, 204384), (128, 153288), (144, 136256), (192, 102192), (256, 76644), (288, 68128), (384, 51096), (512, 38322), (576, 34064), (768, 25548), (1024, 19161), (1152, 17032), (1536, 12774), (2129, 9216), (2304, 8516), (3072, 6387), (4258, 4608)]