18945712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38197}}^1$

素因数の和:38236

約数の個数: 20

約数和(自身を含む): 37892416

約数和(自身を除く): 18946704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38197, 76394, 152788, 305576, 611152, 1184107, 2368214, 4736428, 9472856, 18945712]

約数ペア:

[(1, 18945712), (2, 9472856), (4, 4736428), (8, 2368214), (16, 1184107), (31, 611152), (62, 305576), (124, 152788), (248, 76394), (496, 38197)]