19435221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18457}}^1$

素因数の和:18482

約数の個数: 20

約数和(自身を含む): 31267852

約数和(自身を除く): 11832631

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18457, 55371, 166113, 239941, 498339, 719823, 1495017, 2159469, 6478407, 19435221]

約数ペア:

[(1, 19435221), (3, 6478407), (9, 2159469), (13, 1495017), (27, 719823), (39, 498339), (81, 239941), (117, 166113), (351, 55371), (1053, 18457)]