18399650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:227

約数の個数: 36

約数和(自身を含む): 35187666

約数和(自身を除く): 16788016

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 355, 365, 710, 730, 1775, 1825, 3550, 3650, 5041, 5183, 10082, 10366, 25205, 25915, 50410, 51830, 126025, 129575, 252050, 259150, 367993, 735986, 1839965, 3679930, 9199825, 18399650]

約数ペア:

[(1, 18399650), (2, 9199825), (5, 3679930), (10, 1839965), (25, 735986), (50, 367993), (71, 259150), (73, 252050), (142, 129575), (146, 126025), (355, 51830), (365, 50410), (710, 25915), (730, 25205), (1775, 10366), (1825, 10082), (3550, 5183), (3650, 5041)]