19863864

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1049}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 54054000

約数和(自身を除く): 34190136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1049, 1052, 1578, 2098, 2104, 2367, 3147, 3156, 4196, 4734, 6294, 6312, 8392, 9441, 9468, 12588, 18882, 18936, 25176, 37764, 75528, 275887, 551774, 827661, 1103548, 1655322, 2207096, 2482983, 3310644, 4965966, 6621288, 9931932, 19863864]

約数ペア:

[(1, 19863864), (2, 9931932), (3, 6621288), (4, 4965966), (6, 3310644), (8, 2482983), (9, 2207096), (12, 1655322), (18, 1103548), (24, 827661), (36, 551774), (72, 275887), (263, 75528), (526, 37764), (789, 25176), (1049, 18936), (1052, 18882), (1578, 12588), (2098, 9468), (2104, 9441), (2367, 8392), (3147, 6312), (3156, 6294), (4196, 4734)]