19447384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 20550056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 991, 1784, 1982, 2453, 3964, 4906, 7928, 9812, 10901, 19624, 21802, 43604, 87208, 220993, 441986, 883972, 1767944, 2430923, 4861846, 9723692, 19447384]

約数ペア:

[(1, 19447384), (2, 9723692), (4, 4861846), (8, 2430923), (11, 1767944), (22, 883972), (44, 441986), (88, 220993), (223, 87208), (446, 43604), (892, 21802), (991, 19624), (1784, 10901), (1982, 9812), (2453, 7928), (3964, 4906)]