18869804512

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{268403}}^1$

素因数の和:268452

約数の個数: 48

約数和(自身を含む): 40244495760

約数和(自身を除く): 21374691248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2197, 2704, 4394, 5408, 8788, 17576, 35152, 70304, 268403, 536806, 1073612, 2147224, 3489239, 4294448, 6978478, 8588896, 13956956, 27913912, 45360107, 55827824, 90720214, 111655648, 181440428, 362880856, 589681391, 725761712, 1179362782, 1451523424, 2358725564, 4717451128, 9434902256, 18869804512]

約数ペア:

[(1, 18869804512), (2, 9434902256), (4, 4717451128), (8, 2358725564), (13, 1451523424), (16, 1179362782), (26, 725761712), (32, 589681391), (52, 362880856), (104, 181440428), (169, 111655648), (208, 90720214), (338, 55827824), (416, 45360107), (676, 27913912), (1352, 13956956), (2197, 8588896), (2704, 6978478), (4394, 4294448), (5408, 3489239), (8788, 2147224), (17576, 1073612), (35152, 536806), (70304, 268403)]