18922340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11399}}^1$

素因数の和:11491

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 21296860

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11399, 22798, 45596, 56995, 113990, 227980, 946117, 1892234, 3784468, 4730585, 9461170, 18922340]

約数ペア:

[(1, 18922340), (2, 9461170), (4, 4730585), (5, 3784468), (10, 1892234), (20, 946117), (83, 227980), (166, 113990), (332, 56995), (415, 45596), (830, 22798), (1660, 11399)]