19701398

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1099

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 10538602

約数列:

[1, 2, 59, 118, 199, 398, 839, 1678, 11741, 23482, 49501, 99002, 166961, 333922, 9850699, 19701398]

約数ペア:

[(1, 19701398), (2, 9850699), (59, 333922), (118, 166961), (199, 99002), (398, 49501), (839, 23482), (1678, 11741)]