19511170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 40358016

約数和(自身を除く): 20846846

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1321, 1477, 2110, 2642, 2954, 6605, 7385, 9247, 13210, 14770, 18494, 46235, 92470, 278731, 557462, 1393655, 1951117, 2787310, 3902234, 9755585, 19511170]

約数ペア:

[(1, 19511170), (2, 9755585), (5, 3902234), (7, 2787310), (10, 1951117), (14, 1393655), (35, 557462), (70, 278731), (211, 92470), (422, 46235), (1055, 18494), (1321, 14770), (1477, 13210), (2110, 9247), (2642, 7385), (2954, 6605)]