18990202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 16727558

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 317, 389, 634, 778, 2219, 2723, 3487, 4279, 4438, 5446, 6974, 8558, 24409, 29953, 48818, 59906, 123313, 246626, 863191, 1356443, 1726382, 2712886, 9495101, 18990202]

約数ペア:

[(1, 18990202), (2, 9495101), (7, 2712886), (11, 1726382), (14, 1356443), (22, 863191), (77, 246626), (154, 123313), (317, 59906), (389, 48818), (634, 29953), (778, 24409), (2219, 8558), (2723, 6974), (3487, 5446), (4279, 4438)]