19834529

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5567071

約数列:

[1, 11, 13, 17, 41, 143, 187, 199, 221, 451, 533, 697, 2189, 2431, 2587, 3383, 5863, 7667, 8159, 9061, 28457, 37213, 43979, 89749, 99671, 106067, 138703, 483769, 1166737, 1525733, 1803139, 19834529]

約数ペア:

[(1, 19834529), (11, 1803139), (13, 1525733), (17, 1166737), (41, 483769), (143, 138703), (187, 106067), (199, 99671), (221, 89749), (451, 43979), (533, 37213), (697, 28457), (2189, 9061), (2431, 8159), (2587, 7667), (3383, 5863)]