19855923

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9923}}^1$

素因数の和:9978

約数の個数: 16

約数和(自身を含む): 28581120

約数和(自身を除く): 8725197

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 9923, 29769, 228229, 287767, 684687, 863301, 6618641, 19855923]

約数ペア:

[(1, 19855923), (3, 6618641), (23, 863301), (29, 684687), (69, 287767), (87, 228229), (667, 29769), (2001, 9923)]