18455944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4189

約数の個数: 32

約数和(自身を含む): 38142720

約数和(自身を除く): 19686776

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4127, 4472, 8254, 16508, 33016, 53651, 107302, 177461, 214604, 354922, 429208, 709844, 1419688, 2306993, 4613986, 9227972, 18455944]

約数ペア:

[(1, 18455944), (2, 9227972), (4, 4613986), (8, 2306993), (13, 1419688), (26, 709844), (43, 429208), (52, 354922), (86, 214604), (104, 177461), (172, 107302), (344, 53651), (559, 33016), (1118, 16508), (2236, 8254), (4127, 4472)]