19892491828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3252533}}^1$

素因数の和:3252687

約数の個数: 24

約数和(自身を含む): 38249799840

約数和(自身を除く): 18357308012

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 3252533, 6505066, 13010132, 35777863, 71555726, 143111452, 452102087, 904204174, 1808408348, 4973122957, 9946245914, 19892491828]

約数ペア:

[(1, 19892491828), (2, 9946245914), (4, 4973122957), (11, 1808408348), (22, 904204174), (44, 452102087), (139, 143111452), (278, 71555726), (556, 35777863), (1529, 13010132), (3058, 6505066), (6116, 3252533)]