19818392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1993}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 40916880

約数和(自身を除く): 21098488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1993, 2486, 3986, 4972, 7972, 9944, 15944, 21923, 43846, 87692, 175384, 225209, 450418, 900836, 1801672, 2477299, 4954598, 9909196, 19818392]

約数ペア:

[(1, 19818392), (2, 9909196), (4, 4954598), (8, 2477299), (11, 1801672), (22, 900836), (44, 450418), (88, 225209), (113, 175384), (226, 87692), (452, 43846), (904, 21923), (1243, 15944), (1993, 9944), (2486, 7972), (3986, 4972)]