19946752

素因数分解:

$2^8\times 7^1\times {\mathrm{11131}}^1$

素因数の和:11154

約数の個数: 36

約数和(自身を含む): 45507616

約数和(自身を除く): 25560864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11131, 22262, 44524, 77917, 89048, 155834, 178096, 311668, 356192, 623336, 712384, 1246672, 1424768, 2493344, 2849536, 4986688, 9973376, 19946752]

約数ペア:

[(1, 19946752), (2, 9973376), (4, 4986688), (7, 2849536), (8, 2493344), (14, 1424768), (16, 1246672), (28, 712384), (32, 623336), (56, 356192), (64, 311668), (112, 178096), (128, 155834), (224, 89048), (256, 77917), (448, 44524), (896, 22262), (1792, 11131)]