18159008

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 72

約数和(自身を含む): 42847812

約数和(自身を除く): 24688804

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 313, 392, 518, 592, 626, 784, 1036, 1184, 1252, 1568, 1813, 2072, 2191, 2504, 3626, 4144, 4382, 5008, 7252, 8288, 8764, 10016, 11581, 14504, 15337, 17528, 23162, 29008, 30674, 35056, 46324, 58016, 61348, 70112, 81067, 92648, 122696, 162134, 185296, 245392, 324268, 370592, 490784, 567469, 648536, 1134938, 1297072, 2269876, 2594144, 4539752, 9079504, 18159008]

約数ペア:

[(1, 18159008), (2, 9079504), (4, 4539752), (7, 2594144), (8, 2269876), (14, 1297072), (16, 1134938), (28, 648536), (32, 567469), (37, 490784), (49, 370592), (56, 324268), (74, 245392), (98, 185296), (112, 162134), (148, 122696), (196, 92648), (224, 81067), (259, 70112), (296, 61348), (313, 58016), (392, 46324), (518, 35056), (592, 30674), (626, 29008), (784, 23162), (1036, 17528), (1184, 15337), (1252, 14504), (1568, 11581), (1813, 10016), (2072, 8764), (2191, 8288), (2504, 7252), (3626, 5008), (4144, 4382)]