18983856

素因数分解:

$2^4\times 3^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 49197744

約数和(自身を除く): 30213888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 617, 641, 1234, 1282, 1851, 1923, 2468, 2564, 3702, 3846, 4936, 5128, 7404, 7692, 9872, 10256, 14808, 15384, 29616, 30768, 395497, 790994, 1186491, 1581988, 2372982, 3163976, 4745964, 6327952, 9491928, 18983856]

約数ペア:

[(1, 18983856), (2, 9491928), (3, 6327952), (4, 4745964), (6, 3163976), (8, 2372982), (12, 1581988), (16, 1186491), (24, 790994), (48, 395497), (617, 30768), (641, 29616), (1234, 15384), (1282, 14808), (1851, 10256), (1923, 9872), (2468, 7692), (2564, 7404), (3702, 5128), (3846, 4936)]