18819921530

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{69031}}^1$

素因数の和:69374

約数の個数: 32

約数和(自身を含む): 34295097600

約数和(自身を除く): 15475176070

約数列:

[1, 2, 5, 10, 137, 199, 274, 398, 685, 995, 1370, 1990, 27263, 54526, 69031, 136315, 138062, 272630, 345155, 690310, 9457247, 13737169, 18914494, 27474338, 47286235, 68685845, 94572470, 137371690, 1881992153, 3763984306, 9409960765, 18819921530]

約数ペア:

[(1, 18819921530), (2, 9409960765), (5, 3763984306), (10, 1881992153), (137, 137371690), (199, 94572470), (274, 68685845), (398, 47286235), (685, 27474338), (995, 18914494), (1370, 13737169), (1990, 9457247), (27263, 690310), (54526, 345155), (69031, 272630), (136315, 138062)]