18769564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 20856932

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1091, 1564, 2182, 4301, 4364, 8602, 12001, 17204, 18547, 24002, 25093, 37094, 48004, 50186, 74188, 100372, 204017, 276023, 408034, 426581, 552046, 816068, 853162, 1104092, 1706324, 4692391, 9384782, 18769564]

約数ペア:

[(1, 18769564), (2, 9384782), (4, 4692391), (11, 1706324), (17, 1104092), (22, 853162), (23, 816068), (34, 552046), (44, 426581), (46, 408034), (68, 276023), (92, 204017), (187, 100372), (253, 74188), (374, 50186), (391, 48004), (506, 37094), (748, 25093), (782, 24002), (1012, 18547), (1091, 17204), (1564, 12001), (2182, 8602), (4301, 4364)]