19428378

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 39937920

約数和(自身を除く): 20509542

約数列:

[1, 2, 3, 6, 61, 109, 122, 183, 218, 327, 366, 487, 654, 974, 1461, 2922, 6649, 13298, 19947, 29707, 39894, 53083, 59414, 89121, 106166, 159249, 178242, 318498, 3238063, 6476126, 9714189, 19428378]

約数ペア:

[(1, 19428378), (2, 9714189), (3, 6476126), (6, 3238063), (61, 318498), (109, 178242), (122, 159249), (183, 106166), (218, 89121), (327, 59414), (366, 53083), (487, 39894), (654, 29707), (974, 19947), (1461, 13298), (2922, 6649)]