1921612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 4451328

約数和(自身を除く): 2529716

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 367, 374, 476, 734, 748, 1309, 1468, 2569, 2618, 4037, 5138, 5236, 6239, 8074, 10276, 12478, 16148, 24956, 28259, 43673, 56518, 68629, 87346, 113036, 137258, 174692, 274516, 480403, 960806, 1921612]

約数ペア:

[(1, 1921612), (2, 960806), (4, 480403), (7, 274516), (11, 174692), (14, 137258), (17, 113036), (22, 87346), (28, 68629), (34, 56518), (44, 43673), (68, 28259), (77, 24956), (119, 16148), (154, 12478), (187, 10276), (238, 8074), (308, 6239), (367, 5236), (374, 5138), (476, 4037), (734, 2618), (748, 2569), (1309, 1468)]