18973479

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53147}}^1$

素因数の和:53174

約数の個数: 16

約数和(自身を含む): 30613248

約数和(自身を除く): 11639769

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53147, 159441, 372029, 903499, 1116087, 2710497, 6324493, 18973479]

約数ペア:

[(1, 18973479), (3, 6324493), (7, 2710497), (17, 1116087), (21, 903499), (51, 372029), (119, 159441), (357, 53147)]