18636705

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14281}}^1$

素因数の和:14321

約数の個数: 24

約数和(自身を含む): 33419880

約数和(自身を除く): 14783175

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 14281, 42843, 71405, 128529, 214215, 414149, 642645, 1242447, 2070745, 3727341, 6212235, 18636705]

約数ペア:

[(1, 18636705), (3, 6212235), (5, 3727341), (9, 2070745), (15, 1242447), (29, 642645), (45, 414149), (87, 214215), (145, 128529), (261, 71405), (435, 42843), (1305, 14281)]