19180647

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 28641600

約数和(自身を除く): 9460953

約数列:

[1, 3, 9, 53, 79, 159, 237, 477, 509, 711, 1527, 4187, 4581, 12561, 26977, 37683, 40211, 80931, 120633, 242793, 361899, 2131183, 6393549, 19180647]

約数ペア:

[(1, 19180647), (3, 6393549), (9, 2131183), (53, 361899), (79, 242793), (159, 120633), (237, 80931), (477, 40211), (509, 37683), (711, 26977), (1527, 12561), (4187, 4581)]