19418590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 37402560

約数和(自身を除く): 17983970

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1109, 1751, 2218, 3502, 5545, 8755, 11090, 17510, 18853, 37706, 94265, 114227, 188530, 228454, 571135, 1142270, 1941859, 3883718, 9709295, 19418590]

約数ペア:

[(1, 19418590), (2, 9709295), (5, 3883718), (10, 1941859), (17, 1142270), (34, 571135), (85, 228454), (103, 188530), (170, 114227), (206, 94265), (515, 37706), (1030, 18853), (1109, 17510), (1751, 11090), (2218, 8755), (3502, 5545)]