19796075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3583}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 27998208

約数和(自身を除く): 8202133

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3583, 5525, 17915, 46579, 60911, 89575, 232895, 304555, 791843, 1164475, 1522775, 3959215, 19796075]

約数ペア:

[(1, 19796075), (5, 3959215), (13, 1522775), (17, 1164475), (25, 791843), (65, 304555), (85, 232895), (221, 89575), (325, 60911), (425, 46579), (1105, 17915), (3583, 5525)]