19505375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 26350272

約数和(自身を除く): 6844897

約数列:

[1, 5, 17, 25, 67, 85, 125, 137, 335, 425, 685, 1139, 1675, 2125, 2329, 3425, 5695, 8375, 9179, 11645, 17125, 28475, 45895, 58225, 142375, 156043, 229475, 291125, 780215, 1147375, 3901075, 19505375]

約数ペア:

[(1, 19505375), (5, 3901075), (17, 1147375), (25, 780215), (67, 291125), (85, 229475), (125, 156043), (137, 142375), (335, 58225), (425, 45895), (685, 28475), (1139, 17125), (1675, 11645), (2125, 9179), (2329, 8375), (3425, 5695)]