19864833

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 27307776

約数和(自身を除く): 7442943

約数列:

[1, 3, 61, 73, 183, 219, 1487, 4453, 4461, 13359, 90707, 108551, 272121, 325653, 6621611, 19864833]

約数ペア:

[(1, 19864833), (3, 6621611), (61, 325653), (73, 272121), (183, 108551), (219, 90707), (1487, 13359), (4453, 4461)]