18693288

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2391

約数の個数: 64

約数和(自身を含む): 53352000

約数和(自身を除く): 34658712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2339, 2664, 3996, 4678, 7017, 7992, 9356, 14034, 18712, 21051, 28068, 42102, 56136, 63153, 84204, 86543, 126306, 168408, 173086, 252612, 259629, 346172, 505224, 519258, 692344, 778887, 1038516, 1557774, 2077032, 2336661, 3115548, 4673322, 6231096, 9346644, 18693288]

約数ペア:

[(1, 18693288), (2, 9346644), (3, 6231096), (4, 4673322), (6, 3115548), (8, 2336661), (9, 2077032), (12, 1557774), (18, 1038516), (24, 778887), (27, 692344), (36, 519258), (37, 505224), (54, 346172), (72, 259629), (74, 252612), (108, 173086), (111, 168408), (148, 126306), (216, 86543), (222, 84204), (296, 63153), (333, 56136), (444, 42102), (666, 28068), (888, 21051), (999, 18712), (1332, 14034), (1998, 9356), (2339, 7992), (2664, 7017), (3996, 4678)]