19534528

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 42629328

約数和(自身を除く): 23094800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 443, 689, 832, 848, 886, 1378, 1696, 1772, 2756, 3392, 3544, 5512, 5759, 7088, 11024, 11518, 14176, 22048, 23036, 23479, 28352, 44096, 46072, 46958, 92144, 93916, 184288, 187832, 305227, 368576, 375664, 610454, 751328, 1220908, 1502656, 2441816, 4883632, 9767264, 19534528]

約数ペア:

[(1, 19534528), (2, 9767264), (4, 4883632), (8, 2441816), (13, 1502656), (16, 1220908), (26, 751328), (32, 610454), (52, 375664), (53, 368576), (64, 305227), (104, 187832), (106, 184288), (208, 93916), (212, 92144), (416, 46958), (424, 46072), (443, 44096), (689, 28352), (832, 23479), (848, 23036), (886, 22048), (1378, 14176), (1696, 11518), (1772, 11024), (2756, 7088), (3392, 5759), (3544, 5512)]