18380304

素因数分解:

$2^4\times 3^3\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 53290240

約数和(自身を除く): 34909936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 157, 216, 271, 314, 432, 471, 542, 628, 813, 942, 1084, 1256, 1413, 1626, 1884, 2168, 2439, 2512, 2826, 3252, 3768, 4239, 4336, 4878, 5652, 6504, 7317, 7536, 8478, 9756, 11304, 13008, 14634, 16956, 19512, 22608, 29268, 33912, 39024, 42547, 58536, 67824, 85094, 117072, 127641, 170188, 255282, 340376, 382923, 510564, 680752, 765846, 1021128, 1148769, 1531692, 2042256, 2297538, 3063384, 4595076, 6126768, 9190152, 18380304]

約数ペア:

[(1, 18380304), (2, 9190152), (3, 6126768), (4, 4595076), (6, 3063384), (8, 2297538), (9, 2042256), (12, 1531692), (16, 1148769), (18, 1021128), (24, 765846), (27, 680752), (36, 510564), (48, 382923), (54, 340376), (72, 255282), (108, 170188), (144, 127641), (157, 117072), (216, 85094), (271, 67824), (314, 58536), (432, 42547), (471, 39024), (542, 33912), (628, 29268), (813, 22608), (942, 19512), (1084, 16956), (1256, 14634), (1413, 13008), (1626, 11304), (1884, 9756), (2168, 8478), (2439, 7536), (2512, 7317), (2826, 6504), (3252, 5652), (3768, 4878), (4239, 4336)]