19217354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6781}}^1$

素因数の和:6905

約数の個数: 16

約数和(自身を含む): 31332840

約数和(自身を除く): 12115486

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6781, 13562, 88153, 176306, 739129, 1478258, 9608677, 19217354]

約数ペア:

[(1, 19217354), (2, 9608677), (13, 1478258), (26, 739129), (109, 176306), (218, 88153), (1417, 13562), (2834, 6781)]