19520384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11731}}^1$

素因数の和:11758

約数の個数: 32

約数和(自身を含む): 41883240

約数和(自身を除く): 22362856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11731, 23462, 46924, 93848, 152503, 187696, 305006, 375392, 610012, 750784, 1220024, 1501568, 2440048, 4880096, 9760192, 19520384]

約数ペア:

[(1, 19520384), (2, 9760192), (4, 4880096), (8, 2440048), (13, 1501568), (16, 1220024), (26, 750784), (32, 610012), (52, 375392), (64, 305006), (104, 187696), (128, 152503), (208, 93848), (416, 46924), (832, 23462), (1664, 11731)]