18886210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 39497472

約数和(自身を除く): 20611262

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4423, 8846, 22115, 30961, 44230, 61922, 154805, 269803, 309610, 539606, 1349015, 1888621, 2698030, 3777242, 9443105, 18886210]

約数ペア:

[(1, 18886210), (2, 9443105), (5, 3777242), (7, 2698030), (10, 1888621), (14, 1349015), (35, 539606), (61, 309610), (70, 269803), (122, 154805), (305, 61922), (427, 44230), (610, 30961), (854, 22115), (2135, 8846), (4270, 4423)]