19006868

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{1277}}^1$

素因数の和:1403

約数の個数: 18

約数和(自身を含む): 33842718

約数和(自身を除く): 14835850

約数列:

[1, 2, 4, 61, 122, 244, 1277, 2554, 3721, 5108, 7442, 14884, 77897, 155794, 311588, 4751717, 9503434, 19006868]

約数ペア:

[(1, 19006868), (2, 9503434), (4, 4751717), (61, 311588), (122, 155794), (244, 77897), (1277, 14884), (2554, 7442), (3721, 5108)]