17961346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 30925440

約数和(自身を除く): 12964094

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 353, 494, 706, 1339, 1957, 2678, 3914, 4589, 6707, 9178, 13414, 25441, 36359, 50882, 72718, 87191, 174382, 472667, 690821, 945334, 1381642, 8980673, 17961346]

約数ペア:

[(1, 17961346), (2, 8980673), (13, 1381642), (19, 945334), (26, 690821), (38, 472667), (103, 174382), (206, 87191), (247, 72718), (353, 50882), (494, 36359), (706, 25441), (1339, 13414), (1957, 9178), (2678, 6707), (3914, 4589)]