19272475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 25565328

約数和(自身を除く): 6292853

約数列:

[1, 5, 17, 25, 85, 137, 331, 425, 685, 1655, 2329, 3425, 5627, 8275, 11645, 28135, 45347, 58225, 140675, 226735, 770899, 1133675, 3854495, 19272475]

約数ペア:

[(1, 19272475), (5, 3854495), (17, 1133675), (25, 770899), (85, 226735), (137, 140675), (331, 58225), (425, 45347), (685, 28135), (1655, 11645), (2329, 8275), (3425, 5627)]