19173025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 25411320

約数和(自身を除く): 6238295

約数列:

[1, 5, 17, 25, 85, 197, 229, 425, 985, 1145, 3349, 3893, 4925, 5725, 16745, 19465, 45113, 83725, 97325, 225565, 766921, 1127825, 3834605, 19173025]

約数ペア:

[(1, 19173025), (5, 3834605), (17, 1127825), (25, 766921), (85, 225565), (197, 97325), (229, 83725), (425, 45113), (985, 19465), (1145, 16745), (3349, 5725), (3893, 4925)]