19228928

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 36

約数和(自身を含む): 39637248

約数和(自身を除く): 20408320

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2423, 3968, 4846, 7936, 9692, 19384, 38768, 75113, 77536, 150226, 155072, 300452, 310144, 600904, 620288, 1201808, 2403616, 4807232, 9614464, 19228928]

約数ペア:

[(1, 19228928), (2, 9614464), (4, 4807232), (8, 2403616), (16, 1201808), (31, 620288), (32, 600904), (62, 310144), (64, 300452), (124, 155072), (128, 150226), (248, 77536), (256, 75113), (496, 38768), (992, 19384), (1984, 9692), (2423, 7936), (3968, 4846)]