18256732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 35048160

約数和(自身を除く): 16791428

約数列:

[1, 2, 4, 13, 26, 52, 113, 169, 226, 239, 338, 452, 478, 676, 956, 1469, 2938, 3107, 5876, 6214, 12428, 19097, 27007, 38194, 40391, 54014, 76388, 80782, 108028, 161564, 351091, 702182, 1404364, 4564183, 9128366, 18256732]

約数ペア:

[(1, 18256732), (2, 9128366), (4, 4564183), (13, 1404364), (26, 702182), (52, 351091), (113, 161564), (169, 108028), (226, 80782), (239, 76388), (338, 54014), (452, 40391), (478, 38194), (676, 27007), (956, 19097), (1469, 12428), (2938, 6214), (3107, 5876)]