18977025

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 31739040

約数和(自身を除く): 12762015

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 2843, 6675, 8529, 14215, 42645, 71075, 213225, 253027, 759081, 1265135, 3795405, 6325675, 18977025]

約数ペア:

[(1, 18977025), (3, 6325675), (5, 3795405), (15, 1265135), (25, 759081), (75, 253027), (89, 213225), (267, 71075), (445, 42645), (1335, 14215), (2225, 8529), (2843, 6675)]