20178570918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1551959}}^1$

素因数の和:1552172

約数の個数: 32

約数和(自身を含む): 44249483520

約数和(自身を除く): 24070912602

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 197, 394, 591, 1182, 2167, 4334, 6501, 13002, 1551959, 3103918, 4655877, 9311754, 17071549, 34143098, 51214647, 102429294, 305735923, 611471846, 917207769, 1834415538, 3363095153, 6726190306, 10089285459, 20178570918]

約数ペア:

[(1, 20178570918), (2, 10089285459), (3, 6726190306), (6, 3363095153), (11, 1834415538), (22, 917207769), (33, 611471846), (66, 305735923), (197, 102429294), (394, 51214647), (591, 34143098), (1182, 17071549), (2167, 9311754), (4334, 4655877), (6501, 3103918), (13002, 1551959)]