18723822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240049}}^1$

素因数の和:240067

約数の個数: 16

約数和(自身を含む): 40328400

約数和(自身を除く): 21604578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240049, 480098, 720147, 1440294, 3120637, 6241274, 9361911, 18723822]

約数ペア:

[(1, 18723822), (2, 9361911), (3, 6241274), (6, 3120637), (13, 1440294), (26, 720147), (39, 480098), (78, 240049)]