18564496

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 38193984

約数和(自身を除く): 19629488

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 827, 976, 1403, 1654, 2806, 3308, 5612, 6616, 11224, 13232, 19021, 22448, 38042, 50447, 76084, 100894, 152168, 201788, 304336, 403576, 807152, 1160281, 2320562, 4641124, 9282248, 18564496]

約数ペア:

[(1, 18564496), (2, 9282248), (4, 4641124), (8, 2320562), (16, 1160281), (23, 807152), (46, 403576), (61, 304336), (92, 201788), (122, 152168), (184, 100894), (244, 76084), (368, 50447), (488, 38042), (827, 22448), (976, 19021), (1403, 13232), (1654, 11224), (2806, 6616), (3308, 5612)]