19900258

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 16502942

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 947, 1106, 1501, 1894, 3002, 6629, 10507, 13258, 17993, 21014, 35986, 74813, 125951, 149626, 251902, 523691, 1047382, 1421447, 2842894, 9950129, 19900258]

約数ペア:

[(1, 19900258), (2, 9950129), (7, 2842894), (14, 1421447), (19, 1047382), (38, 523691), (79, 251902), (133, 149626), (158, 125951), (266, 74813), (553, 35986), (947, 21014), (1106, 17993), (1501, 13258), (1894, 10507), (3002, 6629)]