19965744

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 57957600

約数和(自身を除く): 37991856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 409, 432, 452, 678, 818, 904, 1017, 1227, 1356, 1636, 1808, 2034, 2454, 2712, 3051, 3272, 3681, 4068, 4908, 5424, 6102, 6544, 7362, 8136, 9816, 11043, 12204, 14724, 16272, 19632, 22086, 24408, 29448, 44172, 46217, 48816, 58896, 88344, 92434, 138651, 176688, 184868, 277302, 369736, 415953, 554604, 739472, 831906, 1109208, 1247859, 1663812, 2218416, 2495718, 3327624, 4991436, 6655248, 9982872, 19965744]

約数ペア:

[(1, 19965744), (2, 9982872), (3, 6655248), (4, 4991436), (6, 3327624), (8, 2495718), (9, 2218416), (12, 1663812), (16, 1247859), (18, 1109208), (24, 831906), (27, 739472), (36, 554604), (48, 415953), (54, 369736), (72, 277302), (108, 184868), (113, 176688), (144, 138651), (216, 92434), (226, 88344), (339, 58896), (409, 48816), (432, 46217), (452, 44172), (678, 29448), (818, 24408), (904, 22086), (1017, 19632), (1227, 16272), (1356, 14724), (1636, 12204), (1808, 11043), (2034, 9816), (2454, 8136), (2712, 7362), (3051, 6544), (3272, 6102), (3681, 5424), (4068, 4908)]