18888909690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89947189}}^1$

素因数の和:89947206

約数の個数: 32

約数和(自身を含む): 51809581440

約数和(自身を除く): 32920671750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89947189, 179894378, 269841567, 449735945, 539683134, 629630323, 899471890, 1259260646, 1349207835, 1888890969, 2698415670, 3148151615, 3777781938, 6296303230, 9444454845, 18888909690]

約数ペア:

[(1, 18888909690), (2, 9444454845), (3, 6296303230), (5, 3777781938), (6, 3148151615), (7, 2698415670), (10, 1888890969), (14, 1349207835), (15, 1259260646), (21, 899471890), (30, 629630323), (35, 539683134), (42, 449735945), (70, 269841567), (105, 179894378), (210, 89947189)]