18209415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 33854976

約数和(自身を除く): 15645561

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 2843, 6405, 8529, 14215, 19901, 42645, 59703, 99505, 173423, 298515, 520269, 867115, 1213961, 2601345, 3641883, 6069805, 18209415]

約数ペア:

[(1, 18209415), (3, 6069805), (5, 3641883), (7, 2601345), (15, 1213961), (21, 867115), (35, 520269), (61, 298515), (105, 173423), (183, 99505), (305, 59703), (427, 42645), (915, 19901), (1281, 14215), (2135, 8529), (2843, 6405)]