18238262

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 32470848

約数和(自身を除く): 14232586

約数列:

[1, 2, 7, 14, 37, 74, 137, 257, 259, 274, 514, 518, 959, 1799, 1918, 3598, 5069, 9509, 10138, 19018, 35209, 35483, 66563, 70418, 70966, 133126, 246463, 492926, 1302733, 2605466, 9119131, 18238262]

約数ペア:

[(1, 18238262), (2, 9119131), (7, 2605466), (14, 1302733), (37, 492926), (74, 246463), (137, 133126), (257, 70966), (259, 70418), (274, 66563), (514, 35483), (518, 35209), (959, 19018), (1799, 10138), (1918, 9509), (3598, 5069)]