18936424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4441}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 39178440

約数和(自身を除く): 20242016

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4441, 8882, 17764, 35528, 57733, 115466, 182081, 230932, 364162, 461864, 728324, 1456648, 2367053, 4734106, 9468212, 18936424]

約数ペア:

[(1, 18936424), (2, 9468212), (4, 4734106), (8, 2367053), (13, 1456648), (26, 728324), (41, 461864), (52, 364162), (82, 230932), (104, 182081), (164, 115466), (328, 57733), (533, 35528), (1066, 17764), (2132, 8882), (4264, 4441)]