18090144

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2770

約数の個数: 72

約数和(自身を含む): 53700192

約数和(自身を除く): 35610048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 2731, 3312, 5462, 6624, 8193, 10924, 16386, 21848, 24579, 32772, 43696, 49158, 62813, 65544, 87392, 98316, 125626, 131088, 188439, 196632, 251252, 262176, 376878, 393264, 502504, 565317, 753756, 786528, 1005008, 1130634, 1507512, 2010016, 2261268, 3015024, 4522536, 6030048, 9045072, 18090144]

約数ペア:

[(1, 18090144), (2, 9045072), (3, 6030048), (4, 4522536), (6, 3015024), (8, 2261268), (9, 2010016), (12, 1507512), (16, 1130634), (18, 1005008), (23, 786528), (24, 753756), (32, 565317), (36, 502504), (46, 393264), (48, 376878), (69, 262176), (72, 251252), (92, 196632), (96, 188439), (138, 131088), (144, 125626), (184, 98316), (207, 87392), (276, 65544), (288, 62813), (368, 49158), (414, 43696), (552, 32772), (736, 24579), (828, 21848), (1104, 16386), (1656, 10924), (2208, 8193), (2731, 6624), (3312, 5462)]