19363984

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7247}}^1$

素因数の和:7422

約数の個数: 20

約数和(自身を含む): 37747584

約数和(自身を除く): 18383600

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7247, 14494, 28988, 57976, 115952, 1210249, 2420498, 4840996, 9681992, 19363984]

約数ペア:

[(1, 19363984), (2, 9681992), (4, 4840996), (8, 2420498), (16, 1210249), (167, 115952), (334, 57976), (668, 28988), (1336, 14494), (2672, 7247)]