18131974

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5419}}^1$

素因数の和:5667

約数の個数: 16

約数和(自身を含む): 31219200

約数和(自身を除く): 13087226

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 5419, 10838, 37933, 75866, 1295141, 2590282, 9065987, 18131974]

約数ペア:

[(1, 18131974), (2, 9065987), (7, 2590282), (14, 1295141), (239, 75866), (478, 37933), (1673, 10838), (3346, 5419)]