19331868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 47658240

約数和(自身を除く): 28326372

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 787, 1068, 1574, 2047, 2361, 3148, 4094, 4722, 6141, 8188, 9444, 12282, 18101, 24564, 36202, 54303, 70043, 72404, 108606, 140086, 210129, 217212, 280172, 420258, 840516, 1610989, 3221978, 4832967, 6443956, 9665934, 19331868]

約数ペア:

[(1, 19331868), (2, 9665934), (3, 6443956), (4, 4832967), (6, 3221978), (12, 1610989), (23, 840516), (46, 420258), (69, 280172), (89, 217212), (92, 210129), (138, 140086), (178, 108606), (267, 72404), (276, 70043), (356, 54303), (534, 36202), (787, 24564), (1068, 18101), (1574, 12282), (2047, 9444), (2361, 8188), (3148, 6141), (4094, 4722)]