18519704

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1483}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 39889920

約数和(自身を除く): 21370216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1483, 1561, 1784, 2966, 3122, 5932, 6244, 10381, 11864, 12488, 20762, 41524, 83048, 330709, 661418, 1322836, 2314963, 2645672, 4629926, 9259852, 18519704]

約数ペア:

[(1, 18519704), (2, 9259852), (4, 4629926), (7, 2645672), (8, 2314963), (14, 1322836), (28, 661418), (56, 330709), (223, 83048), (446, 41524), (892, 20762), (1483, 12488), (1561, 11864), (1784, 10381), (2966, 6244), (3122, 5932)]