18689346

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 45427200

約数和(自身を除く): 26737854

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 337, 351, 474, 674, 702, 711, 1011, 1027, 1422, 2022, 2054, 2133, 3033, 3081, 4266, 4381, 6066, 6162, 8762, 9099, 9243, 13143, 18198, 18486, 26286, 26623, 27729, 39429, 53246, 55458, 78858, 79869, 118287, 159738, 236574, 239607, 346099, 479214, 692198, 718821, 1038297, 1437642, 2076594, 3114891, 6229782, 9344673, 18689346]

約数ペア:

[(1, 18689346), (2, 9344673), (3, 6229782), (6, 3114891), (9, 2076594), (13, 1437642), (18, 1038297), (26, 718821), (27, 692198), (39, 479214), (54, 346099), (78, 239607), (79, 236574), (117, 159738), (158, 118287), (234, 79869), (237, 78858), (337, 55458), (351, 53246), (474, 39429), (674, 27729), (702, 26623), (711, 26286), (1011, 18486), (1027, 18198), (1422, 13143), (2022, 9243), (2054, 9099), (2133, 8762), (3033, 6162), (3081, 6066), (4266, 4381)]