201018518

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1\times {\mathrm{643}}^1$

素因数の和:1116

約数の個数: 24

約数和(自身を含む): 319463928

約数和(自身を除く): 118445410

約数列:

[1, 2, 19, 38, 361, 433, 643, 722, 866, 1286, 8227, 12217, 16454, 24434, 156313, 232123, 278419, 312626, 464246, 556838, 5289961, 10579922, 100509259, 201018518]

約数ペア:

[(1, 201018518), (2, 100509259), (19, 10579922), (38, 5289961), (361, 556838), (433, 464246), (643, 312626), (722, 278419), (866, 232123), (1286, 156313), (8227, 24434), (12217, 16454)]