18619150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 38278800

約数和(自身を除く): 19659650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 97, 110, 194, 275, 349, 485, 550, 698, 970, 1067, 1745, 2134, 2425, 3490, 3839, 4850, 5335, 7678, 8725, 10670, 17450, 19195, 26675, 33853, 38390, 53350, 67706, 95975, 169265, 191950, 338530, 372383, 744766, 846325, 1692650, 1861915, 3723830, 9309575, 18619150]

約数ペア:

[(1, 18619150), (2, 9309575), (5, 3723830), (10, 1861915), (11, 1692650), (22, 846325), (25, 744766), (50, 372383), (55, 338530), (97, 191950), (110, 169265), (194, 95975), (275, 67706), (349, 53350), (485, 38390), (550, 33853), (698, 26675), (970, 19195), (1067, 17450), (1745, 10670), (2134, 8725), (2425, 7678), (3490, 5335), (3839, 4850)]