18090016

素因数分解:

$2^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 24140144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 83, 98, 112, 139, 166, 196, 224, 278, 332, 392, 556, 581, 664, 784, 973, 1112, 1162, 1328, 1568, 1946, 2224, 2324, 2656, 3892, 4067, 4448, 4648, 6811, 7784, 8134, 9296, 11537, 13622, 15568, 16268, 18592, 23074, 27244, 31136, 32536, 46148, 54488, 65072, 80759, 92296, 108976, 130144, 161518, 184592, 217952, 323036, 369184, 565313, 646072, 1130626, 1292144, 2261252, 2584288, 4522504, 9045008, 18090016]

約数ペア:

[(1, 18090016), (2, 9045008), (4, 4522504), (7, 2584288), (8, 2261252), (14, 1292144), (16, 1130626), (28, 646072), (32, 565313), (49, 369184), (56, 323036), (83, 217952), (98, 184592), (112, 161518), (139, 130144), (166, 108976), (196, 92296), (224, 80759), (278, 65072), (332, 54488), (392, 46148), (556, 32536), (581, 31136), (664, 27244), (784, 23074), (973, 18592), (1112, 16268), (1162, 15568), (1328, 13622), (1568, 11537), (1946, 9296), (2224, 8134), (2324, 7784), (2656, 6811), (3892, 4648), (4067, 4448)]