18871638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{136751}}^1$

素因数の和:136779

約数の個数: 16

約数和(自身を含む): 39384576

約数和(自身を除く): 20512938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 136751, 273502, 410253, 820506, 3145273, 6290546, 9435819, 18871638]

約数ペア:

[(1, 18871638), (2, 9435819), (3, 6290546), (6, 3145273), (23, 820506), (46, 410253), (69, 273502), (138, 136751)]