18741249

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 28096640

約数和(自身を除く): 9355391

約数列:

[1, 3, 9, 43, 79, 129, 237, 387, 613, 711, 1839, 3397, 5517, 10191, 26359, 30573, 48427, 79077, 145281, 237231, 435843, 2082361, 6247083, 18741249]

約数ペア:

[(1, 18741249), (3, 6247083), (9, 2082361), (43, 435843), (79, 237231), (129, 145281), (237, 79077), (387, 48427), (613, 30573), (711, 26359), (1839, 10191), (3397, 5517)]