18987972

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 27823548

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 773, 1068, 1546, 2047, 2319, 3092, 4094, 4638, 6141, 8188, 9276, 12282, 17779, 24564, 35558, 53337, 68797, 71116, 106674, 137594, 206391, 213348, 275188, 412782, 825564, 1582331, 3164662, 4746993, 6329324, 9493986, 18987972]

約数ペア:

[(1, 18987972), (2, 9493986), (3, 6329324), (4, 4746993), (6, 3164662), (12, 1582331), (23, 825564), (46, 412782), (69, 275188), (89, 213348), (92, 206391), (138, 137594), (178, 106674), (267, 71116), (276, 68797), (356, 53337), (534, 35558), (773, 24564), (1068, 17779), (1546, 12282), (2047, 9276), (2319, 8188), (3092, 6141), (4094, 4638)]