19860124

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 15532772

約数列:

[1, 2, 4, 131, 151, 251, 262, 302, 502, 524, 604, 1004, 19781, 32881, 37901, 39562, 65762, 75802, 79124, 131524, 151604, 4965031, 9930062, 19860124]

約数ペア:

[(1, 19860124), (2, 9930062), (4, 4965031), (131, 151604), (151, 131524), (251, 79124), (262, 75802), (302, 65762), (502, 39562), (524, 37901), (604, 32881), (1004, 19781)]