18922545

素因数分解:

$3^3\times 5^1\times {\mathrm{140167}}^1$

素因数の和:140181

約数の個数: 16

約数和(自身を含む): 33640320

約数和(自身を除く): 14717775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140167, 420501, 700835, 1261503, 2102505, 3784509, 6307515, 18922545]

約数ペア:

[(1, 18922545), (3, 6307515), (5, 3784509), (9, 2102505), (15, 1261503), (27, 700835), (45, 420501), (135, 140167)]