18664064

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3448

約数の個数: 32

約数和(自身を含む): 38058240

約数和(自身を除く): 19394176

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3391, 5504, 6782, 13564, 27128, 54256, 108512, 145813, 217024, 291626, 434048, 583252, 1166504, 2333008, 4666016, 9332032, 18664064]

約数ペア:

[(1, 18664064), (2, 9332032), (4, 4666016), (8, 2333008), (16, 1166504), (32, 583252), (43, 434048), (64, 291626), (86, 217024), (128, 145813), (172, 108512), (344, 54256), (688, 27128), (1376, 13564), (2752, 6782), (3391, 5504)]