19297251

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10270749

約数列:

[1, 3, 9, 27, 79, 83, 109, 237, 249, 327, 711, 747, 981, 2133, 2241, 2943, 6557, 8611, 9047, 19671, 25833, 27141, 59013, 77499, 81423, 177039, 232497, 244269, 714713, 2144139, 6432417, 19297251]

約数ペア:

[(1, 19297251), (3, 6432417), (9, 2144139), (27, 714713), (79, 244269), (83, 232497), (109, 177039), (237, 81423), (249, 77499), (327, 59013), (711, 27141), (747, 25833), (981, 19671), (2133, 9047), (2241, 8611), (2943, 6557)]