2018194997

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{7351}}^1$

素因数の和:7809

約数の個数: 24

約数和(自身を含む): 2534499072

約数和(自身を除く): 516304075

約数列:

[1, 7, 13, 49, 91, 431, 637, 3017, 5603, 7351, 21119, 39221, 51457, 95563, 274547, 360199, 668941, 3168281, 4682587, 22177967, 41187653, 155245769, 288313571, 2018194997]

約数ペア:

[(1, 2018194997), (7, 288313571), (13, 155245769), (49, 41187653), (91, 22177967), (431, 4682587), (637, 3168281), (3017, 668941), (5603, 360199), (7351, 274547), (21119, 95563), (39221, 51457)]