19872235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5437}}^1$

素因数の和:5502

約数の個数: 16

約数和(自身を含む): 25841376

約数和(自身を除く): 5969141

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5437, 27185, 92429, 233791, 462145, 1168955, 3974447, 19872235]

約数ペア:

[(1, 19872235), (5, 3974447), (17, 1168955), (43, 462145), (85, 233791), (215, 92429), (731, 27185), (3655, 5437)]