18784828

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 33685344

約数和(自身を除く): 14900516

約数列:

[1, 2, 4, 61, 122, 167, 244, 334, 461, 668, 922, 1844, 10187, 20374, 28121, 40748, 56242, 76987, 112484, 153974, 307948, 4696207, 9392414, 18784828]

約数ペア:

[(1, 18784828), (2, 9392414), (4, 4696207), (61, 307948), (122, 153974), (167, 112484), (244, 76987), (334, 56242), (461, 40748), (668, 28121), (922, 20374), (1844, 10187)]