17887636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 34679232

約数和(自身を除く): 16791596

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 563, 611, 676, 1126, 1222, 2252, 2444, 7319, 7943, 14638, 15886, 26461, 29276, 31772, 52922, 95147, 105844, 190294, 343993, 380588, 687986, 1375972, 4471909, 8943818, 17887636]

約数ペア:

[(1, 17887636), (2, 8943818), (4, 4471909), (13, 1375972), (26, 687986), (47, 380588), (52, 343993), (94, 190294), (169, 105844), (188, 95147), (338, 52922), (563, 31772), (611, 29276), (676, 26461), (1126, 15886), (1222, 14638), (2252, 7943), (2444, 7319)]