2439638

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 24

約数和(自身を含む): 4023360

約数和(自身を除く): 1583722

約数列:

[1, 2, 19, 31, 38, 62, 109, 218, 361, 589, 722, 1178, 2071, 3379, 4142, 6758, 11191, 22382, 39349, 64201, 78698, 128402, 1219819, 2439638]

約数ペア:

[(1, 2439638), (2, 1219819), (19, 128402), (31, 78698), (38, 64201), (62, 39349), (109, 22382), (218, 11191), (361, 6758), (589, 4142), (722, 3379), (1178, 2071)]