19617966128

素因数分解:

$2^4\times {\mathrm{10313}}^1\times {\mathrm{118891}}^1$

素因数の和:129212

約数の個数: 20

約数和(自身を含む): 38013814728

約数和(自身を除く): 18395848600

約数列:

[1, 2, 4, 8, 16, 10313, 20626, 41252, 82504, 118891, 165008, 237782, 475564, 951128, 1902256, 1226122883, 2452245766, 4904491532, 9808983064, 19617966128]

約数ペア:

[(1, 19617966128), (2, 9808983064), (4, 4904491532), (8, 2452245766), (16, 1226122883), (10313, 1902256), (20626, 951128), (41252, 475564), (82504, 237782), (118891, 165008)]