18899552

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 24000928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 607, 973, 1112, 1214, 1946, 2224, 2428, 3892, 4249, 4448, 4856, 7784, 8498, 9712, 15568, 16996, 19424, 31136, 33992, 67984, 84373, 135968, 168746, 337492, 590611, 674984, 1181222, 1349968, 2362444, 2699936, 4724888, 9449776, 18899552]

約数ペア:

[(1, 18899552), (2, 9449776), (4, 4724888), (7, 2699936), (8, 2362444), (14, 1349968), (16, 1181222), (28, 674984), (32, 590611), (56, 337492), (112, 168746), (139, 135968), (224, 84373), (278, 67984), (556, 33992), (607, 31136), (973, 19424), (1112, 16996), (1214, 15568), (1946, 9712), (2224, 8498), (2428, 7784), (3892, 4856), (4249, 4448)]