19171390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2659}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 20664770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2659, 3605, 5318, 7210, 13295, 18613, 26590, 37226, 93065, 186130, 273877, 547754, 1369385, 1917139, 2738770, 3834278, 9585695, 19171390]

約数ペア:

[(1, 19171390), (2, 9585695), (5, 3834278), (7, 2738770), (10, 1917139), (14, 1369385), (35, 547754), (70, 273877), (103, 186130), (206, 93065), (515, 37226), (721, 26590), (1030, 18613), (1442, 13295), (2659, 7210), (3605, 5318)]