19717256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8243}}^1$

素因数の和:8285

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 21832504

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8243, 16486, 32972, 65944, 107159, 189589, 214318, 379178, 428636, 758356, 857272, 1516712, 2464657, 4929314, 9858628, 19717256]

約数ペア:

[(1, 19717256), (2, 9858628), (4, 4929314), (8, 2464657), (13, 1516712), (23, 857272), (26, 758356), (46, 428636), (52, 379178), (92, 214318), (104, 189589), (184, 107159), (299, 65944), (598, 32972), (1196, 16486), (2392, 8243)]