19855893

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3449}}^1$

素因数の和:3572

約数の個数: 16

約数和(自身を含む): 28152000

約数和(自身を除く): 8296107

約数列:

[1, 3, 19, 57, 101, 303, 1919, 3449, 5757, 10347, 65531, 196593, 348349, 1045047, 6618631, 19855893]

約数ペア:

[(1, 19855893), (3, 6618631), (19, 1045047), (57, 348349), (101, 196593), (303, 65531), (1919, 10347), (3449, 5757)]