19004095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 7413569

約数列:

[1, 5, 11, 23, 55, 83, 115, 181, 253, 415, 905, 913, 1265, 1909, 1991, 4163, 4565, 9545, 9955, 15023, 20815, 20999, 45793, 75115, 104995, 165253, 228965, 345529, 826265, 1727645, 3800819, 19004095]

約数ペア:

[(1, 19004095), (5, 3800819), (11, 1727645), (23, 826265), (55, 345529), (83, 228965), (115, 165253), (181, 104995), (253, 75115), (415, 45793), (905, 20999), (913, 20815), (1265, 15023), (1909, 9955), (1991, 9545), (4163, 4565)]