19481787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 30466800

約数和(自身を除く): 10985013

約数列:

[1, 3, 9, 13, 39, 117, 269, 619, 807, 1857, 2421, 3497, 5571, 8047, 10491, 24141, 31473, 72423, 166511, 499533, 1498599, 2164643, 6493929, 19481787]

約数ペア:

[(1, 19481787), (3, 6493929), (9, 2164643), (13, 1498599), (39, 499533), (117, 166511), (269, 72423), (619, 31473), (807, 24141), (1857, 10491), (2421, 8047), (3497, 5571)]