18717409150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{312217}}^1$

素因数の和:312349

約数の個数: 48

約数和(自身を含む): 38327881680

約数和(自身を除く): 19610472530

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 218, 275, 545, 550, 1090, 1199, 2398, 2725, 5450, 5995, 11990, 29975, 59950, 312217, 624434, 1561085, 3122170, 3434387, 6868774, 7805425, 15610850, 17171935, 34031653, 34343870, 68063306, 85859675, 170158265, 171719350, 340316530, 374348183, 748696366, 850791325, 1701582650, 1871740915, 3743481830, 9358704575, 18717409150]

約数ペア:

[(1, 18717409150), (2, 9358704575), (5, 3743481830), (10, 1871740915), (11, 1701582650), (22, 850791325), (25, 748696366), (50, 374348183), (55, 340316530), (109, 171719350), (110, 170158265), (218, 85859675), (275, 68063306), (545, 34343870), (550, 34031653), (1090, 17171935), (1199, 15610850), (2398, 7805425), (2725, 6868774), (5450, 3434387), (5995, 3122170), (11990, 1561085), (29975, 624434), (59950, 312217)]