11988918

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 16004682

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 59, 71, 106, 118, 142, 159, 177, 213, 318, 354, 426, 477, 531, 639, 954, 1062, 1278, 1431, 1593, 1917, 2862, 3127, 3186, 3763, 3834, 4189, 6254, 7526, 8378, 9381, 11289, 12567, 18762, 22578, 25134, 28143, 33867, 37701, 56286, 67734, 75402, 84429, 101601, 113103, 168858, 203202, 222017, 226206, 444034, 666051, 1332102, 1998153, 3996306, 5994459, 11988918]

約数ペア:

[(1, 11988918), (2, 5994459), (3, 3996306), (6, 1998153), (9, 1332102), (18, 666051), (27, 444034), (53, 226206), (54, 222017), (59, 203202), (71, 168858), (106, 113103), (118, 101601), (142, 84429), (159, 75402), (177, 67734), (213, 56286), (318, 37701), (354, 33867), (426, 28143), (477, 25134), (531, 22578), (639, 18762), (954, 12567), (1062, 11289), (1278, 9381), (1431, 8378), (1593, 7526), (1917, 6254), (2862, 4189), (3127, 3834), (3186, 3763)]