18209408

素因数分解:

$2^7\times 7^1\times {\mathrm{20323}}^1$

素因数の和:20344

約数の個数: 32

約数和(自身を含む): 41460960

約数和(自身を除く): 23251552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20323, 40646, 81292, 142261, 162584, 284522, 325168, 569044, 650336, 1138088, 1300672, 2276176, 2601344, 4552352, 9104704, 18209408]

約数ペア:

[(1, 18209408), (2, 9104704), (4, 4552352), (7, 2601344), (8, 2276176), (14, 1300672), (16, 1138088), (28, 650336), (32, 569044), (56, 325168), (64, 284522), (112, 162584), (128, 142261), (224, 81292), (448, 40646), (896, 20323)]