19320640

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:539

約数の個数: 56

約数和(自身を含む): 46405800

約数和(自身を除く): 27085160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 349, 692, 698, 865, 1384, 1396, 1730, 1745, 2768, 2792, 3460, 3490, 5536, 5584, 6920, 6980, 11072, 11168, 13840, 13960, 22336, 27680, 27920, 55360, 55840, 60377, 111680, 120754, 241508, 301885, 483016, 603770, 966032, 1207540, 1932064, 2415080, 3864128, 4830160, 9660320, 19320640]

約数ペア:

[(1, 19320640), (2, 9660320), (4, 4830160), (5, 3864128), (8, 2415080), (10, 1932064), (16, 1207540), (20, 966032), (32, 603770), (40, 483016), (64, 301885), (80, 241508), (160, 120754), (173, 111680), (320, 60377), (346, 55840), (349, 55360), (692, 27920), (698, 27680), (865, 22336), (1384, 13960), (1396, 13840), (1730, 11168), (1745, 11072), (2768, 6980), (2792, 6920), (3460, 5584), (3490, 5536)]