19837107

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 29331120

約数和(自身を除く): 9494013

約数列:

[1, 3, 9, 101, 139, 157, 303, 417, 471, 909, 1251, 1413, 14039, 15857, 21823, 42117, 47571, 65469, 126351, 142713, 196407, 2204123, 6612369, 19837107]

約数ペア:

[(1, 19837107), (3, 6612369), (9, 2204123), (101, 196407), (139, 142713), (157, 126351), (303, 65469), (417, 47571), (471, 42117), (909, 21823), (1251, 15857), (1413, 14039)]