18881278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4057}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 30678480

約数和(自身を除く): 11797202

約数列:

[1, 2, 13, 26, 179, 358, 2327, 4057, 4654, 8114, 52741, 105482, 726203, 1452406, 9440639, 18881278]

約数ペア:

[(1, 18881278), (2, 9440639), (13, 1452406), (26, 726203), (179, 105482), (358, 52741), (2327, 8114), (4057, 4654)]