19998793984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6009253}}^1$

素因数の和:6009282

約数の個数: 36

約数和(自身を含む): 42990203116

約数和(自身を除く): 22991409132

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6009253, 12018506, 24037012, 48074024, 78120289, 96148048, 156240578, 192296096, 312481156, 384592192, 624962312, 769184384, 1249924624, 1538368768, 2499849248, 4999698496, 9999396992, 19998793984]

約数ペア:

[(1, 19998793984), (2, 9999396992), (4, 4999698496), (8, 2499849248), (13, 1538368768), (16, 1249924624), (26, 769184384), (32, 624962312), (52, 384592192), (64, 312481156), (104, 192296096), (128, 156240578), (208, 96148048), (256, 78120289), (416, 48074024), (832, 24037012), (1664, 12018506), (3328, 6009253)]