19841409

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 34164480

約数和(自身を除く): 14323071

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 1721, 3843, 5163, 11529, 12047, 15489, 36141, 46467, 104981, 108423, 314943, 325269, 734867, 944829, 2204601, 2834487, 6613803, 19841409]

約数ペア:

[(1, 19841409), (3, 6613803), (7, 2834487), (9, 2204601), (21, 944829), (27, 734867), (61, 325269), (63, 314943), (183, 108423), (189, 104981), (427, 46467), (549, 36141), (1281, 15489), (1647, 12047), (1721, 11529), (3843, 5163)]