18926075

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 27164928

約数和(自身を除く): 8238853

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1303, 2075, 2905, 6515, 9121, 14525, 32575, 45605, 108149, 228025, 540745, 757043, 2703725, 3785215, 18926075]

約数ペア:

[(1, 18926075), (5, 3785215), (7, 2703725), (25, 757043), (35, 540745), (83, 228025), (175, 108149), (415, 45605), (581, 32575), (1303, 14525), (2075, 9121), (2905, 6515)]