18078820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53173}}^1$

素因数の和:53199

約数の個数: 24

約数和(自身を含む): 40199544

約数和(自身を除く): 22120724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53173, 106346, 212692, 265865, 531730, 903941, 1063460, 1807882, 3615764, 4519705, 9039410, 18078820]

約数ペア:

[(1, 18078820), (2, 9039410), (4, 4519705), (5, 3615764), (10, 1807882), (17, 1063460), (20, 903941), (34, 531730), (68, 265865), (85, 212692), (170, 106346), (340, 53173)]