18691816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16339}}^1$

素因数の和:16369

約数の個数: 32

約数和(自身を含む): 41176800

約数和(自身を除く): 22484984

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16339, 32678, 65356, 130712, 179729, 212407, 359458, 424814, 718916, 849628, 1437832, 1699256, 2336477, 4672954, 9345908, 18691816]

約数ペア:

[(1, 18691816), (2, 9345908), (4, 4672954), (8, 2336477), (11, 1699256), (13, 1437832), (22, 849628), (26, 718916), (44, 424814), (52, 359458), (88, 212407), (104, 179729), (143, 130712), (286, 65356), (572, 32678), (1144, 16339)]