19321263

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12703}}^1$

素因数の和:12735

約数の個数: 18

約数和(自身を含む): 30222816

約数和(自身を除く): 10901553

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12703, 38109, 114327, 165139, 495417, 1486251, 2146807, 6440421, 19321263]

約数ペア:

[(1, 19321263), (3, 6440421), (9, 2146807), (13, 1486251), (39, 495417), (117, 165139), (169, 114327), (507, 38109), (1521, 12703)]