18715312

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 60

約数和(自身を含む): 45583888

約数和(自身を除く): 26868576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1381, 1694, 1936, 2762, 3388, 5524, 6776, 9667, 11048, 13552, 15191, 19334, 22096, 30382, 38668, 60764, 77336, 106337, 121528, 154672, 167101, 212674, 243056, 334202, 425348, 668404, 850696, 1169707, 1336808, 1701392, 2339414, 2673616, 4678828, 9357656, 18715312]

約数ペア:

[(1, 18715312), (2, 9357656), (4, 4678828), (7, 2673616), (8, 2339414), (11, 1701392), (14, 1336808), (16, 1169707), (22, 850696), (28, 668404), (44, 425348), (56, 334202), (77, 243056), (88, 212674), (112, 167101), (121, 154672), (154, 121528), (176, 106337), (242, 77336), (308, 60764), (484, 38668), (616, 30382), (847, 22096), (968, 19334), (1232, 15191), (1381, 13552), (1694, 11048), (1936, 9667), (2762, 6776), (3388, 5524)]