18537904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 45997056

約数和(自身を除く): 27459152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 367, 451, 574, 616, 656, 734, 902, 1148, 1232, 1468, 1804, 2296, 2569, 2936, 3157, 3608, 4037, 4592, 5138, 5872, 6314, 7216, 8074, 10276, 12628, 15047, 16148, 20552, 25256, 28259, 30094, 32296, 41104, 50512, 56518, 60188, 64592, 105329, 113036, 120376, 165517, 210658, 226072, 240752, 331034, 421316, 452144, 662068, 842632, 1158619, 1324136, 1685264, 2317238, 2648272, 4634476, 9268952, 18537904]

約数ペア:

[(1, 18537904), (2, 9268952), (4, 4634476), (7, 2648272), (8, 2317238), (11, 1685264), (14, 1324136), (16, 1158619), (22, 842632), (28, 662068), (41, 452144), (44, 421316), (56, 331034), (77, 240752), (82, 226072), (88, 210658), (112, 165517), (154, 120376), (164, 113036), (176, 105329), (287, 64592), (308, 60188), (328, 56518), (367, 50512), (451, 41104), (574, 32296), (616, 30094), (656, 28259), (734, 25256), (902, 20552), (1148, 16148), (1232, 15047), (1468, 12628), (1804, 10276), (2296, 8074), (2569, 7216), (2936, 6314), (3157, 5872), (3608, 5138), (4037, 4592)]