18121228

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 32406080

約数和(自身を除く): 14284852

約数列:

[1, 2, 4, 73, 146, 229, 271, 292, 458, 542, 916, 1084, 16717, 19783, 33434, 39566, 62059, 66868, 79132, 124118, 248236, 4530307, 9060614, 18121228]

約数ペア:

[(1, 18121228), (2, 9060614), (4, 4530307), (73, 248236), (146, 124118), (229, 79132), (271, 66868), (292, 62059), (458, 39566), (542, 33434), (916, 19783), (1084, 16717)]