19915214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 33782400

約数和(自身を除く): 13867186

約数列:

[1, 2, 11, 22, 59, 67, 118, 134, 229, 458, 649, 737, 1298, 1474, 2519, 3953, 5038, 7906, 13511, 15343, 27022, 30686, 43483, 86966, 148621, 168773, 297242, 337546, 905237, 1810474, 9957607, 19915214]

約数ペア:

[(1, 19915214), (2, 9957607), (11, 1810474), (22, 905237), (59, 337546), (67, 297242), (118, 168773), (134, 148621), (229, 86966), (458, 43483), (649, 30686), (737, 27022), (1298, 15343), (1474, 13511), (2519, 7906), (3953, 5038)]