18975874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 12045182

約数列:

[1, 2, 23, 46, 47, 67, 94, 131, 134, 262, 1081, 1541, 2162, 3013, 3082, 3149, 6026, 6157, 6298, 8777, 12314, 17554, 72427, 141611, 144854, 201871, 283222, 403742, 412519, 825038, 9487937, 18975874]

約数ペア:

[(1, 18975874), (2, 9487937), (23, 825038), (46, 412519), (47, 403742), (67, 283222), (94, 201871), (131, 144854), (134, 141611), (262, 72427), (1081, 17554), (1541, 12314), (2162, 8777), (3013, 6298), (3082, 6157), (3149, 6026)]