19218861

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 29440320

約数和(自身を除く): 10221459

約数列:

[1, 3, 9, 19, 57, 167, 171, 501, 673, 1503, 2019, 3173, 6057, 9519, 12787, 28557, 38361, 112391, 115083, 337173, 1011519, 2135429, 6406287, 19218861]

約数ペア:

[(1, 19218861), (3, 6406287), (9, 2135429), (19, 1011519), (57, 337173), (167, 115083), (171, 112391), (501, 38361), (673, 28557), (1503, 12787), (2019, 9519), (3173, 6057)]