18886105

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9107495

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 809, 1015, 3335, 4045, 4669, 5663, 18607, 23345, 23461, 28315, 93035, 117305, 130249, 164227, 539603, 651245, 821135, 2698015, 3777221, 18886105]

約数ペア:

[(1, 18886105), (5, 3777221), (7, 2698015), (23, 821135), (29, 651245), (35, 539603), (115, 164227), (145, 130249), (161, 117305), (203, 93035), (667, 28315), (805, 23461), (809, 23345), (1015, 18607), (3335, 5663), (4045, 4669)]