19637025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6089}}^1$

素因数の和:6145

約数の個数: 24

約数和(自身を含む): 33227040

約数和(自身を除く): 13590015

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6089, 18267, 30445, 91335, 152225, 261827, 456675, 785481, 1309135, 3927405, 6545675, 19637025]

約数ペア:

[(1, 19637025), (3, 6545675), (5, 3927405), (15, 1309135), (25, 785481), (43, 456675), (75, 261827), (129, 152225), (215, 91335), (645, 30445), (1075, 18267), (3225, 6089)]