20191237896

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{76129}}^1$

素因数の和:76438

約数の個数: 64

約数和(自身を含む): 51853665600

約数和(自身を除く): 31662427704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 257, 258, 344, 514, 516, 771, 1028, 1032, 1542, 2056, 3084, 6168, 11051, 22102, 33153, 44204, 66306, 76129, 88408, 132612, 152258, 228387, 265224, 304516, 456774, 609032, 913548, 1827096, 3273547, 6547094, 9820641, 13094188, 19565153, 19641282, 26188376, 39130306, 39282564, 58695459, 78260612, 78565128, 117390918, 156521224, 234781836, 469563672, 841301579, 1682603158, 2523904737, 3365206316, 5047809474, 6730412632, 10095618948, 20191237896]

約数ペア:

[(1, 20191237896), (2, 10095618948), (3, 6730412632), (4, 5047809474), (6, 3365206316), (8, 2523904737), (12, 1682603158), (24, 841301579), (43, 469563672), (86, 234781836), (129, 156521224), (172, 117390918), (257, 78565128), (258, 78260612), (344, 58695459), (514, 39282564), (516, 39130306), (771, 26188376), (1028, 19641282), (1032, 19565153), (1542, 13094188), (2056, 9820641), (3084, 6547094), (6168, 3273547), (11051, 1827096), (22102, 913548), (33153, 609032), (44204, 456774), (66306, 304516), (76129, 265224), (88408, 228387), (132612, 152258)]