19443744

素因数分解:

$2^5\times 3^2\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 55747692

約数和(自身を除く): 36303948

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 181, 288, 362, 373, 543, 724, 746, 1086, 1119, 1448, 1492, 1629, 2172, 2238, 2896, 2984, 3258, 3357, 4344, 4476, 5792, 5968, 6516, 6714, 8688, 8952, 11936, 13032, 13428, 17376, 17904, 26064, 26856, 35808, 52128, 53712, 67513, 107424, 135026, 202539, 270052, 405078, 540104, 607617, 810156, 1080208, 1215234, 1620312, 2160416, 2430468, 3240624, 4860936, 6481248, 9721872, 19443744]

約数ペア:

[(1, 19443744), (2, 9721872), (3, 6481248), (4, 4860936), (6, 3240624), (8, 2430468), (9, 2160416), (12, 1620312), (16, 1215234), (18, 1080208), (24, 810156), (32, 607617), (36, 540104), (48, 405078), (72, 270052), (96, 202539), (144, 135026), (181, 107424), (288, 67513), (362, 53712), (373, 52128), (543, 35808), (724, 26856), (746, 26064), (1086, 17904), (1119, 17376), (1448, 13428), (1492, 13032), (1629, 11936), (2172, 8952), (2238, 8688), (2896, 6714), (2984, 6516), (3258, 5968), (3357, 5792), (4344, 4476)]