19852455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4397}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 37154304

約数和(自身を除く): 17301849

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4397, 4515, 13191, 21985, 30779, 65955, 92337, 153895, 189071, 461685, 567213, 945355, 1323497, 2836065, 3970491, 6617485, 19852455]

約数ペア:

[(1, 19852455), (3, 6617485), (5, 3970491), (7, 2836065), (15, 1323497), (21, 945355), (35, 567213), (43, 461685), (105, 189071), (129, 153895), (215, 92337), (301, 65955), (645, 30779), (903, 21985), (1505, 13191), (4397, 4515)]