19726422

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 40710912

約数和(自身を除く): 20984490

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 487, 942, 974, 1461, 2922, 6751, 13502, 20253, 20941, 40506, 41882, 62823, 76459, 125646, 152918, 229377, 458754, 3287737, 6575474, 9863211, 19726422]

約数ペア:

[(1, 19726422), (2, 9863211), (3, 6575474), (6, 3287737), (43, 458754), (86, 229377), (129, 152918), (157, 125646), (258, 76459), (314, 62823), (471, 41882), (487, 40506), (942, 20941), (974, 20253), (1461, 13502), (2922, 6751)]