39718664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 83324700

約数和(自身を除く): 43606036

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 361, 646, 722, 809, 1292, 1444, 1618, 2584, 2888, 3236, 6137, 6472, 12274, 13753, 15371, 24548, 27506, 30742, 49096, 55012, 61484, 110024, 122968, 261307, 292049, 522614, 584098, 1045228, 1168196, 2090456, 2336392, 4964833, 9929666, 19859332, 39718664]

約数ペア:

[(1, 39718664), (2, 19859332), (4, 9929666), (8, 4964833), (17, 2336392), (19, 2090456), (34, 1168196), (38, 1045228), (68, 584098), (76, 522614), (136, 292049), (152, 261307), (323, 122968), (361, 110024), (646, 61484), (722, 55012), (809, 49096), (1292, 30742), (1444, 27506), (1618, 24548), (2584, 15371), (2888, 13753), (3236, 12274), (6137, 6472)]