18627315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9337}}^1$

素因数の和:9371

約数の個数: 32

約数和(自身を含む): 35857920

約数和(自身を除く): 17230605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9337, 28011, 46685, 65359, 140055, 177403, 196077, 326795, 532209, 887015, 980385, 1241821, 2661045, 3725463, 6209105, 18627315]

約数ペア:

[(1, 18627315), (3, 6209105), (5, 3725463), (7, 2661045), (15, 1241821), (19, 980385), (21, 887015), (35, 532209), (57, 326795), (95, 196077), (105, 177403), (133, 140055), (285, 65359), (399, 46685), (665, 28011), (1995, 9337)]