19660479839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{141301}}^1$

素因数の和:141471

約数の個数: 32

約数和(自身を含む): 26587384320

約数和(自身を除く): 6926904481

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 973, 1001, 1529, 1807, 10703, 12649, 19877, 139139, 141301, 989107, 1554311, 1836913, 10880177, 12858391, 19640839, 20206043, 137485873, 141442301, 216049229, 255330907, 1512344603, 1787316349, 2808639977, 19660479839]

約数ペア:

[(1, 19660479839), (7, 2808639977), (11, 1787316349), (13, 1512344603), (77, 255330907), (91, 216049229), (139, 141442301), (143, 137485873), (973, 20206043), (1001, 19640839), (1529, 12858391), (1807, 10880177), (10703, 1836913), (12649, 1554311), (19877, 989107), (139139, 141301)]