19861784

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 18223336

約数列:

[1, 2, 4, 8, 113, 127, 173, 226, 254, 346, 452, 508, 692, 904, 1016, 1384, 14351, 19549, 21971, 28702, 39098, 43942, 57404, 78196, 87884, 114808, 156392, 175768, 2482723, 4965446, 9930892, 19861784]

約数ペア:

[(1, 19861784), (2, 9930892), (4, 4965446), (8, 2482723), (113, 175768), (127, 156392), (173, 114808), (226, 87884), (254, 78196), (346, 57404), (452, 43942), (508, 39098), (692, 28702), (904, 21971), (1016, 19549), (1384, 14351)]