168637388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{20357}}^1$

素因数の和:20489

約数の個数: 24

約数和(自身を含む): 313513200

約数和(自身を除く): 144875812

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 20357, 40714, 81428, 386783, 773566, 1547132, 2218913, 4437826, 8875652, 42159347, 84318694, 168637388]

約数ペア:

[(1, 168637388), (2, 84318694), (4, 42159347), (19, 8875652), (38, 4437826), (76, 2218913), (109, 1547132), (218, 773566), (436, 386783), (2071, 81428), (4142, 40714), (8284, 20357)]