18262978

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 11285822

約数列:

[1, 2, 37, 47, 59, 74, 89, 94, 118, 178, 1739, 2183, 2773, 3293, 3478, 4183, 4366, 5251, 5546, 6586, 8366, 10502, 102601, 154771, 194287, 205202, 246797, 309542, 388574, 493594, 9131489, 18262978]

約数ペア:

[(1, 18262978), (2, 9131489), (37, 493594), (47, 388574), (59, 309542), (74, 246797), (89, 205202), (94, 194287), (118, 154771), (178, 102601), (1739, 10502), (2183, 8366), (2773, 6586), (3293, 5546), (3478, 5251), (4183, 4366)]