18013908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 28112172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 239, 478, 571, 717, 956, 1142, 1434, 1713, 2284, 2629, 2868, 3426, 5258, 6281, 6852, 7887, 10516, 12562, 15774, 18843, 25124, 31548, 37686, 75372, 136469, 272938, 409407, 545876, 818814, 1501159, 1637628, 3002318, 4503477, 6004636, 9006954, 18013908]

約数ペア:

[(1, 18013908), (2, 9006954), (3, 6004636), (4, 4503477), (6, 3002318), (11, 1637628), (12, 1501159), (22, 818814), (33, 545876), (44, 409407), (66, 272938), (132, 136469), (239, 75372), (478, 37686), (571, 31548), (717, 25124), (956, 18843), (1142, 15774), (1434, 12562), (1713, 10516), (2284, 7887), (2629, 6852), (2868, 6281), (3426, 5258)]