19702818

素因数分解:

$2^1\times 3^3\times {\mathrm{317}}^1\times {\mathrm{1151}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 24257502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 317, 634, 951, 1151, 1902, 2302, 2853, 3453, 5706, 6906, 8559, 10359, 17118, 20718, 31077, 62154, 364867, 729734, 1094601, 2189202, 3283803, 6567606, 9851409, 19702818]

約数ペア:

[(1, 19702818), (2, 9851409), (3, 6567606), (6, 3283803), (9, 2189202), (18, 1094601), (27, 729734), (54, 364867), (317, 62154), (634, 31077), (951, 20718), (1151, 17118), (1902, 10359), (2302, 8559), (2853, 6906), (3453, 5706)]