19793552

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2221}}^1$

素因数の和:2786

約数の個数: 20

約数和(自身を含む): 38436156

約数和(自身を除く): 18642604

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2221, 2228, 4442, 4456, 8884, 8912, 17768, 35536, 1237097, 2474194, 4948388, 9896776, 19793552]

約数ペア:

[(1, 19793552), (2, 9896776), (4, 4948388), (8, 2474194), (16, 1237097), (557, 35536), (1114, 17768), (2221, 8912), (2228, 8884), (4442, 4456)]