18854260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22993}}^1$

素因数の和:23043

約数の個数: 24

約数和(自身を含む): 40561416

約数和(自身を除く): 21707156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22993, 45986, 91972, 114965, 229930, 459860, 942713, 1885426, 3770852, 4713565, 9427130, 18854260]

約数ペア:

[(1, 18854260), (2, 9427130), (4, 4713565), (5, 3770852), (10, 1885426), (20, 942713), (41, 459860), (82, 229930), (164, 114965), (205, 91972), (410, 45986), (820, 22993)]