19178541

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 28880280

約数和(自身を除く): 9701739

約数列:

[1, 3, 9, 29, 87, 197, 261, 373, 591, 1119, 1773, 3357, 5713, 10817, 17139, 32451, 51417, 73481, 97353, 220443, 661329, 2130949, 6392847, 19178541]

約数ペア:

[(1, 19178541), (3, 6392847), (9, 2130949), (29, 661329), (87, 220443), (197, 97353), (261, 73481), (373, 51417), (591, 32451), (1119, 17139), (1773, 10817), (3357, 5713)]