19872018

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{38069}}^1$

素因数の和:38106

約数の個数: 24

約数和(自身を含む): 44541900

約数和(自身を除く): 24669882

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 38069, 76138, 114207, 228414, 342621, 685242, 1104001, 2208002, 3312003, 6624006, 9936009, 19872018]

約数ペア:

[(1, 19872018), (2, 9936009), (3, 6624006), (6, 3312003), (9, 2208002), (18, 1104001), (29, 685242), (58, 342621), (87, 228414), (174, 114207), (261, 76138), (522, 38069)]