19869512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6163}}^1$

素因数の和:6213

約数の個数: 32

約数和(自身を含む): 41422080

約数和(自身を除く): 21552568

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6163, 12326, 24652, 49304, 80119, 160238, 191053, 320476, 382106, 640952, 764212, 1528424, 2483689, 4967378, 9934756, 19869512]

約数ペア:

[(1, 19869512), (2, 9934756), (4, 4967378), (8, 2483689), (13, 1528424), (26, 764212), (31, 640952), (52, 382106), (62, 320476), (104, 191053), (124, 160238), (248, 80119), (403, 49304), (806, 24652), (1612, 12326), (3224, 6163)]