17938336

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 39844224

約数和(自身を除く): 21905888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 107, 124, 169, 208, 214, 248, 338, 403, 416, 428, 496, 676, 806, 856, 992, 1352, 1391, 1612, 1712, 2704, 2782, 3224, 3317, 3424, 5239, 5408, 5564, 6448, 6634, 10478, 11128, 12896, 13268, 18083, 20956, 22256, 26536, 36166, 41912, 43121, 44512, 53072, 72332, 83824, 86242, 106144, 144664, 167648, 172484, 289328, 344968, 560573, 578656, 689936, 1121146, 1379872, 2242292, 4484584, 8969168, 17938336]

約数ペア:

[(1, 17938336), (2, 8969168), (4, 4484584), (8, 2242292), (13, 1379872), (16, 1121146), (26, 689936), (31, 578656), (32, 560573), (52, 344968), (62, 289328), (104, 172484), (107, 167648), (124, 144664), (169, 106144), (208, 86242), (214, 83824), (248, 72332), (338, 53072), (403, 44512), (416, 43121), (428, 41912), (496, 36166), (676, 26536), (806, 22256), (856, 20956), (992, 18083), (1352, 13268), (1391, 12896), (1612, 11128), (1712, 10478), (2704, 6634), (2782, 6448), (3224, 5564), (3317, 5408), (3424, 5239)]