19155968

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 44

約数和(自身を含む): 41267520

約数和(自身を除く): 22111552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1439, 1664, 2878, 3328, 5756, 6656, 11512, 13312, 18707, 23024, 37414, 46048, 74828, 92096, 149656, 184192, 299312, 368384, 598624, 736768, 1197248, 1473536, 2394496, 4788992, 9577984, 19155968]

約数ペア:

[(1, 19155968), (2, 9577984), (4, 4788992), (8, 2394496), (13, 1473536), (16, 1197248), (26, 736768), (32, 598624), (52, 368384), (64, 299312), (104, 184192), (128, 149656), (208, 92096), (256, 74828), (416, 46048), (512, 37414), (832, 23024), (1024, 18707), (1439, 13312), (1664, 11512), (2878, 6656), (3328, 5756)]