19775678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13318978

約数列:

[1, 2, 13, 26, 53, 106, 113, 127, 226, 254, 689, 1378, 1469, 1651, 2938, 3302, 5989, 6731, 11978, 13462, 14351, 28702, 77857, 87503, 155714, 175006, 186563, 373126, 760603, 1521206, 9887839, 19775678]

約数ペア:

[(1, 19775678), (2, 9887839), (13, 1521206), (26, 760603), (53, 373126), (106, 186563), (113, 175006), (127, 155714), (226, 87503), (254, 77857), (689, 28702), (1378, 14351), (1469, 13462), (1651, 11978), (2938, 6731), (3302, 5989)]