18176912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2871

約数の個数: 40

約数和(自身を含む): 39164160

約数和(自身を除く): 20987248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 2819, 3224, 5638, 6448, 11276, 22552, 36647, 45104, 73294, 87389, 146588, 174778, 293176, 349556, 586352, 699112, 1136057, 1398224, 2272114, 4544228, 9088456, 18176912]

約数ペア:

[(1, 18176912), (2, 9088456), (4, 4544228), (8, 2272114), (13, 1398224), (16, 1136057), (26, 699112), (31, 586352), (52, 349556), (62, 293176), (104, 174778), (124, 146588), (208, 87389), (248, 73294), (403, 45104), (496, 36647), (806, 22552), (1612, 11276), (2819, 6448), (3224, 5638)]