18722038

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1$

素因数の和:911

約数の個数: 16

約数和(自身を含む): 28751760

約数和(自身を除く): 10029722

約数列:

[1, 2, 53, 106, 347, 509, 694, 1018, 18391, 26977, 36782, 53954, 176623, 353246, 9361019, 18722038]

約数ペア:

[(1, 18722038), (2, 9361019), (53, 353246), (106, 176623), (347, 53954), (509, 36782), (694, 26977), (1018, 18391)]