18292925

素因数分解:

$5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 26823060

約数和(自身を除く): 8530135

約数列:

[1, 5, 7, 25, 35, 49, 109, 137, 175, 245, 545, 685, 763, 959, 1225, 2725, 3425, 3815, 4795, 5341, 6713, 14933, 19075, 23975, 26705, 33565, 74665, 104531, 133525, 167825, 373325, 522655, 731717, 2613275, 3658585, 18292925]

約数ペア:

[(1, 18292925), (5, 3658585), (7, 2613275), (25, 731717), (35, 522655), (49, 373325), (109, 167825), (137, 133525), (175, 104531), (245, 74665), (545, 33565), (685, 26705), (763, 23975), (959, 19075), (1225, 14933), (2725, 6713), (3425, 5341), (3815, 4795)]