18676406

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 33445440

約数和(自身を除く): 14769034

約数列:

[1, 2, 7, 14, 29, 58, 157, 203, 293, 314, 406, 586, 1099, 2051, 2198, 4102, 4553, 8497, 9106, 16994, 31871, 46001, 59479, 63742, 92002, 118958, 322007, 644014, 1334029, 2668058, 9338203, 18676406]

約数ペア:

[(1, 18676406), (2, 9338203), (7, 2668058), (14, 1334029), (29, 644014), (58, 322007), (157, 118958), (203, 92002), (293, 63742), (314, 59479), (406, 46001), (586, 31871), (1099, 16994), (2051, 9106), (2198, 8497), (4102, 4553)]