18649735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15101}}^1$

素因数の和:15138

約数の個数: 16

約数和(自身を含む): 25371360

約数和(自身を除く): 6721625

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15101, 75505, 196313, 286919, 981565, 1434595, 3729947, 18649735]

約数ペア:

[(1, 18649735), (5, 3729947), (13, 1434595), (19, 981565), (65, 286919), (95, 196313), (247, 75505), (1235, 15101)]