19936384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11981}}^1$

素因数の和:12008

約数の個数: 32

約数和(自身を含む): 42775740

約数和(自身を除く): 22839356

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11981, 23962, 47924, 95848, 155753, 191696, 311506, 383392, 623012, 766784, 1246024, 1533568, 2492048, 4984096, 9968192, 19936384]

約数ペア:

[(1, 19936384), (2, 9968192), (4, 4984096), (8, 2492048), (13, 1533568), (16, 1246024), (26, 766784), (32, 623012), (52, 383392), (64, 311506), (104, 191696), (128, 155753), (208, 95848), (416, 47924), (832, 23962), (1664, 11981)]