18765138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 25475982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 769, 1162, 1538, 1743, 2307, 3486, 4067, 4614, 5383, 8134, 10766, 12201, 16149, 24402, 32298, 37681, 63827, 75362, 113043, 127654, 191481, 226086, 382962, 446789, 893578, 1340367, 2680734, 3127523, 6255046, 9382569, 18765138]

約数ペア:

[(1, 18765138), (2, 9382569), (3, 6255046), (6, 3127523), (7, 2680734), (14, 1340367), (21, 893578), (42, 446789), (49, 382962), (83, 226086), (98, 191481), (147, 127654), (166, 113043), (249, 75362), (294, 63827), (498, 37681), (581, 32298), (769, 24402), (1162, 16149), (1538, 12201), (1743, 10766), (2307, 8134), (3486, 5383), (4067, 4614)]