19507642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 19890758

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 113, 118, 133, 154, 209, 226, 266, 413, 418, 649, 791, 826, 1121, 1243, 1298, 1463, 1582, 2147, 2242, 2486, 2926, 4294, 4543, 6667, 7847, 8701, 9086, 12331, 13334, 15029, 15694, 17402, 23617, 24662, 30058, 46669, 47234, 73337, 86317, 93338, 126673, 146674, 165319, 172634, 253346, 330638, 513359, 886711, 1026718, 1393403, 1773422, 2786806, 9753821, 19507642]

約数ペア:

[(1, 19507642), (2, 9753821), (7, 2786806), (11, 1773422), (14, 1393403), (19, 1026718), (22, 886711), (38, 513359), (59, 330638), (77, 253346), (113, 172634), (118, 165319), (133, 146674), (154, 126673), (209, 93338), (226, 86317), (266, 73337), (413, 47234), (418, 46669), (649, 30058), (791, 24662), (826, 23617), (1121, 17402), (1243, 15694), (1298, 15029), (1463, 13334), (1582, 12331), (2147, 9086), (2242, 8701), (2486, 7847), (2926, 6667), (4294, 4543)]