19658943

素因数分解:

$3^7\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 30110400

約数和(自身を除く): 10451457

約数列:

[1, 3, 9, 27, 81, 89, 101, 243, 267, 303, 729, 801, 909, 2187, 2403, 2727, 7209, 8181, 8989, 21627, 24543, 26967, 64881, 73629, 80901, 194643, 220887, 242703, 728109, 2184327, 6552981, 19658943]

約数ペア:

[(1, 19658943), (3, 6552981), (9, 2184327), (27, 728109), (81, 242703), (89, 220887), (101, 194643), (243, 80901), (267, 73629), (303, 64881), (729, 26967), (801, 24543), (909, 21627), (2187, 8989), (2403, 8181), (2727, 7209)]