388779824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1278881}}^1$

素因数の和:1278908

約数の個数: 20

約数和(自身を含む): 792906840

約数和(自身を除く): 404127016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1278881, 2557762, 5115524, 10231048, 20462096, 24298739, 48597478, 97194956, 194389912, 388779824]

約数ペア:

[(1, 388779824), (2, 194389912), (4, 97194956), (8, 48597478), (16, 24298739), (19, 20462096), (38, 10231048), (76, 5115524), (152, 2557762), (304, 1278881)]