18420248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 27198952

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 1759, 2618, 3518, 5236, 7036, 10472, 12313, 14072, 19349, 24626, 29903, 38698, 49252, 59806, 77396, 98504, 119612, 135443, 154792, 209321, 239224, 270886, 328933, 418642, 541772, 657866, 837284, 1083544, 1315732, 1674568, 2302531, 2631464, 4605062, 9210124, 18420248]

約数ペア:

[(1, 18420248), (2, 9210124), (4, 4605062), (7, 2631464), (8, 2302531), (11, 1674568), (14, 1315732), (17, 1083544), (22, 837284), (28, 657866), (34, 541772), (44, 418642), (56, 328933), (68, 270886), (77, 239224), (88, 209321), (119, 154792), (136, 135443), (154, 119612), (187, 98504), (238, 77396), (308, 59806), (374, 49252), (476, 38698), (616, 29903), (748, 24626), (952, 19349), (1309, 14072), (1496, 12313), (1759, 10472), (2618, 7036), (3518, 5236)]