19778064

素因数分解:

$2^4\times 3^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1295

約数の個数: 40

約数和(自身を含む): 51252672

約数和(自身を除く): 31474608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 631, 653, 1262, 1306, 1893, 1959, 2524, 2612, 3786, 3918, 5048, 5224, 7572, 7836, 10096, 10448, 15144, 15672, 30288, 31344, 412043, 824086, 1236129, 1648172, 2472258, 3296344, 4944516, 6592688, 9889032, 19778064]

約数ペア:

[(1, 19778064), (2, 9889032), (3, 6592688), (4, 4944516), (6, 3296344), (8, 2472258), (12, 1648172), (16, 1236129), (24, 824086), (48, 412043), (631, 31344), (653, 30288), (1262, 15672), (1306, 15144), (1893, 10448), (1959, 10096), (2524, 7836), (2612, 7572), (3786, 5224), (3918, 5048)]