18858892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5413}}^1$

素因数の和:5497

約数の個数: 24

約数和(自身を含む): 36078896

約数和(自身を除く): 17220004

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5413, 10826, 21652, 70369, 140738, 281476, 362671, 725342, 1450684, 4714723, 9429446, 18858892]

約数ペア:

[(1, 18858892), (2, 9429446), (4, 4714723), (13, 1450684), (26, 725342), (52, 362671), (67, 281476), (134, 140738), (268, 70369), (871, 21652), (1742, 10826), (3484, 5413)]