18290230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 38700720

約数和(自身を除く): 20410490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 229, 245, 326, 458, 490, 815, 1141, 1145, 1603, 1630, 2282, 2290, 3206, 5705, 7987, 8015, 11221, 11410, 15974, 16030, 22442, 37327, 39935, 56105, 74654, 79870, 112210, 186635, 261289, 373270, 522578, 1306445, 1829023, 2612890, 3658046, 9145115, 18290230]

約数ペア:

[(1, 18290230), (2, 9145115), (5, 3658046), (7, 2612890), (10, 1829023), (14, 1306445), (35, 522578), (49, 373270), (70, 261289), (98, 186635), (163, 112210), (229, 79870), (245, 74654), (326, 56105), (458, 39935), (490, 37327), (815, 22442), (1141, 16030), (1145, 15974), (1603, 11410), (1630, 11221), (2282, 8015), (2290, 7987), (3206, 5705)]