19624856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 38134800

約数和(自身を除く): 18509944

約数列:

[1, 2, 4, 8, 43, 86, 89, 172, 178, 344, 356, 641, 712, 1282, 2564, 3827, 5128, 7654, 15308, 27563, 30616, 55126, 57049, 110252, 114098, 220504, 228196, 456392, 2453107, 4906214, 9812428, 19624856]

約数ペア:

[(1, 19624856), (2, 9812428), (4, 4906214), (8, 2453107), (43, 456392), (86, 228196), (89, 220504), (172, 114098), (178, 110252), (344, 57049), (356, 55126), (641, 30616), (712, 27563), (1282, 15308), (2564, 7654), (3827, 5128)]