19940752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95869}}^1$

素因数の和:95890

約数の個数: 20

約数和(自身を含む): 41607580

約数和(自身を除く): 21666828

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95869, 191738, 383476, 766952, 1246297, 1533904, 2492594, 4985188, 9970376, 19940752]

約数ペア:

[(1, 19940752), (2, 9970376), (4, 4985188), (8, 2492594), (13, 1533904), (16, 1246297), (26, 766952), (52, 383476), (104, 191738), (208, 95869)]