18347840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8191}}^1$

素因数の和:8215

約数の個数: 56

約数和(自身を含む): 49938432

約数和(自身を除く): 31590592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8191, 16382, 32764, 40955, 57337, 65528, 81910, 114674, 131056, 163820, 229348, 262112, 286685, 327640, 458696, 524224, 573370, 655280, 917392, 1146740, 1310560, 1834784, 2293480, 2621120, 3669568, 4586960, 9173920, 18347840]

約数ペア:

[(1, 18347840), (2, 9173920), (4, 4586960), (5, 3669568), (7, 2621120), (8, 2293480), (10, 1834784), (14, 1310560), (16, 1146740), (20, 917392), (28, 655280), (32, 573370), (35, 524224), (40, 458696), (56, 327640), (64, 286685), (70, 262112), (80, 229348), (112, 163820), (140, 131056), (160, 114674), (224, 81910), (280, 65528), (320, 57337), (448, 40955), (560, 32764), (1120, 16382), (2240, 8191)]