19270768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 40997376

約数和(自身を除く): 21726608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 223, 446, 491, 892, 982, 1784, 1964, 2453, 3568, 3928, 4906, 5401, 7856, 9812, 10802, 19624, 21604, 39248, 43208, 86416, 109493, 218986, 437972, 875944, 1204423, 1751888, 2408846, 4817692, 9635384, 19270768]

約数ペア:

[(1, 19270768), (2, 9635384), (4, 4817692), (8, 2408846), (11, 1751888), (16, 1204423), (22, 875944), (44, 437972), (88, 218986), (176, 109493), (223, 86416), (446, 43208), (491, 39248), (892, 21604), (982, 19624), (1784, 10802), (1964, 9812), (2453, 7856), (3568, 5401), (3928, 4906)]