18225519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27331584

約数和(自身を除く): 9106065

約数列:

[1, 3, 13, 39, 47, 61, 141, 163, 183, 489, 611, 793, 1833, 2119, 2379, 2867, 6357, 7661, 8601, 9943, 22983, 29829, 37271, 99593, 111813, 129259, 298779, 387777, 467321, 1401963, 6075173, 18225519]

約数ペア:

[(1, 18225519), (3, 6075173), (13, 1401963), (39, 467321), (47, 387777), (61, 298779), (141, 129259), (163, 111813), (183, 99593), (489, 37271), (611, 29829), (793, 22983), (1833, 9943), (2119, 8601), (2379, 7661), (2867, 6357)]