19421475

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2039}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 32378880

約数和(自身を除く): 12957405

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 2039, 3175, 6117, 9525, 10195, 30585, 50975, 152925, 258953, 776859, 1294765, 3884295, 6473825, 19421475]

約数ペア:

[(1, 19421475), (3, 6473825), (5, 3884295), (15, 1294765), (25, 776859), (75, 258953), (127, 152925), (381, 50975), (635, 30585), (1905, 10195), (2039, 9525), (3175, 6117)]