18398692

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1648

約数の個数: 36

約数和(自身を含む): 36938916

約数和(自身を除く): 18540224

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1601, 2873, 3202, 5746, 6404, 11492, 20813, 27217, 41626, 54434, 83252, 108868, 270569, 353821, 541138, 707642, 1082276, 1415284, 4599673, 9199346, 18398692]

約数ペア:

[(1, 18398692), (2, 9199346), (4, 4599673), (13, 1415284), (17, 1082276), (26, 707642), (34, 541138), (52, 353821), (68, 270569), (169, 108868), (221, 83252), (338, 54434), (442, 41626), (676, 27217), (884, 20813), (1601, 11492), (2873, 6404), (3202, 5746)]