18242770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20074

約数の個数: 32

約数和(自身を含む): 40416768

約数和(自身を除く): 22173998

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20047, 40094, 100235, 140329, 200470, 260611, 280658, 521222, 701645, 1303055, 1403290, 1824277, 2606110, 3648554, 9121385, 18242770]

約数ペア:

[(1, 18242770), (2, 9121385), (5, 3648554), (7, 2606110), (10, 1824277), (13, 1403290), (14, 1303055), (26, 701645), (35, 521222), (65, 280658), (70, 260611), (91, 200470), (130, 140329), (182, 100235), (455, 40094), (910, 20047)]