19864676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12323}}^1$

素因数の和:12371

約数の個数: 24

約数和(自身を含む): 38648064

約数和(自身を除く): 18783388

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12323, 24646, 49292, 160199, 320398, 382013, 640796, 764026, 1528052, 4966169, 9932338, 19864676]

約数ペア:

[(1, 19864676), (2, 9932338), (4, 4966169), (13, 1528052), (26, 764026), (31, 640796), (52, 382013), (62, 320398), (124, 160199), (403, 49292), (806, 24646), (1612, 12323)]