19859332

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 36

約数和(自身を含む): 38884860

約数和(自身を除く): 19025528

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 809, 1292, 1444, 1618, 3236, 6137, 12274, 13753, 15371, 24548, 27506, 30742, 55012, 61484, 261307, 292049, 522614, 584098, 1045228, 1168196, 4964833, 9929666, 19859332]

約数ペア:

[(1, 19859332), (2, 9929666), (4, 4964833), (17, 1168196), (19, 1045228), (34, 584098), (38, 522614), (68, 292049), (76, 261307), (323, 61484), (361, 55012), (646, 30742), (722, 27506), (809, 24548), (1292, 15371), (1444, 13753), (1618, 12274), (3236, 6137)]