18789836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2393}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 35661024

約数和(自身を除く): 16871188

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2393, 3926, 4786, 7852, 9572, 31109, 62218, 124436, 361343, 722686, 1445372, 4697459, 9394918, 18789836]

約数ペア:

[(1, 18789836), (2, 9394918), (4, 4697459), (13, 1445372), (26, 722686), (52, 361343), (151, 124436), (302, 62218), (604, 31109), (1963, 9572), (2393, 7852), (3926, 4786)]