19870695

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33967}}^1$

素因数の和:33991

約数の個数: 24

約数和(自身を含む): 37093056

約数和(自身を除く): 17222361

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 33967, 101901, 169835, 305703, 441571, 509505, 1324713, 1528515, 2207855, 3974139, 6623565, 19870695]

約数ペア:

[(1, 19870695), (3, 6623565), (5, 3974139), (9, 2207855), (13, 1528515), (15, 1324713), (39, 509505), (45, 441571), (65, 305703), (117, 169835), (195, 101901), (585, 33967)]