19344496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 39632384

約数和(自身を除く): 20287888

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 907, 1333, 1814, 2666, 3628, 5332, 7256, 10664, 14512, 21328, 28117, 39001, 56234, 78002, 112468, 156004, 224936, 312008, 449872, 624016, 1209031, 2418062, 4836124, 9672248, 19344496]

約数ペア:

[(1, 19344496), (2, 9672248), (4, 4836124), (8, 2418062), (16, 1209031), (31, 624016), (43, 449872), (62, 312008), (86, 224936), (124, 156004), (172, 112468), (248, 78002), (344, 56234), (496, 39001), (688, 28117), (907, 21328), (1333, 14512), (1814, 10664), (2666, 7256), (3628, 5332)]