12188889139

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{20507}}^1$

素因数の和:20683

約数の個数: 32

約数和(自身を含む): 15159513600

約数和(自身を除く): 2970624461

約数列:

[1, 7, 19, 41, 109, 133, 287, 763, 779, 2071, 4469, 5453, 14497, 20507, 31283, 84911, 143549, 389633, 594377, 840787, 2235263, 2727431, 5885509, 15646841, 15974953, 42469997, 91645783, 111824671, 297289979, 641520481, 1741269877, 12188889139]

約数ペア:

[(1, 12188889139), (7, 1741269877), (19, 641520481), (41, 297289979), (109, 111824671), (133, 91645783), (287, 42469997), (763, 15974953), (779, 15646841), (2071, 5885509), (4469, 2727431), (5453, 2235263), (14497, 840787), (20507, 594377), (31283, 389633), (84911, 143549)]