19843369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 6477527

約数列:

[1, 7, 13, 17, 91, 101, 119, 127, 221, 707, 889, 1313, 1547, 1651, 1717, 2159, 9191, 11557, 12019, 12827, 15113, 22321, 28067, 89789, 156247, 166751, 196469, 218059, 1167257, 1526413, 2834767, 19843369]

約数ペア:

[(1, 19843369), (7, 2834767), (13, 1526413), (17, 1167257), (91, 218059), (101, 196469), (119, 166751), (127, 156247), (221, 89789), (707, 28067), (889, 22321), (1313, 15113), (1547, 12827), (1651, 12019), (1717, 11557), (2159, 9191)]