18878373

素因数分解:

$3^3\times {\mathrm{659}}^1\times {\mathrm{1061}}^1$

素因数の和:1729

約数の個数: 16

約数和(自身を含む): 28036800

約数和(自身を除く): 9158427

約数列:

[1, 3, 9, 27, 659, 1061, 1977, 3183, 5931, 9549, 17793, 28647, 699199, 2097597, 6292791, 18878373]

約数ペア:

[(1, 18878373), (3, 6292791), (9, 2097597), (27, 699199), (659, 28647), (1061, 17793), (1977, 9549), (3183, 5931)]