20181724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7177}}^1$

素因数の和:7237

約数の個数: 24

約数和(自身を含む): 38186960

約数和(自身を除く): 18005236

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7177, 14354, 28708, 136363, 265549, 272726, 531098, 545452, 1062196, 5045431, 10090862, 20181724]

約数ペア:

[(1, 20181724), (2, 10090862), (4, 5045431), (19, 1062196), (37, 545452), (38, 531098), (74, 272726), (76, 265549), (148, 136363), (703, 28708), (1406, 14354), (2812, 7177)]