19291448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 39659760

約数和(自身を除く): 20368312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 853, 1028, 1706, 2056, 2827, 3412, 5654, 6824, 9383, 11308, 18766, 22616, 37532, 75064, 219221, 438442, 876884, 1753768, 2411431, 4822862, 9645724, 19291448]

約数ペア:

[(1, 19291448), (2, 9645724), (4, 4822862), (8, 2411431), (11, 1753768), (22, 876884), (44, 438442), (88, 219221), (257, 75064), (514, 37532), (853, 22616), (1028, 18766), (1706, 11308), (2056, 9383), (2827, 6824), (3412, 5654)]