19994787992

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{578419}}^1$

素因数の和:578603

約数の個数: 32

約数和(自身を含む): 39043350000

約数和(自身を除く): 19048562008

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 596, 1192, 4321, 8642, 17284, 34568, 578419, 1156838, 2313676, 4627352, 16774151, 33548302, 67096604, 86184431, 134193208, 172368862, 344737724, 689475448, 2499348499, 4998696998, 9997393996, 19994787992]

約数ペア:

[(1, 19994787992), (2, 9997393996), (4, 4998696998), (8, 2499348499), (29, 689475448), (58, 344737724), (116, 172368862), (149, 134193208), (232, 86184431), (298, 67096604), (596, 33548302), (1192, 16774151), (4321, 4627352), (8642, 2313676), (17284, 1156838), (34568, 578419)]