19113460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 43053696

約数和(自身を除く): 23940236

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1123, 1702, 2246, 3404, 4255, 4492, 5615, 8510, 11230, 17020, 22460, 25829, 41551, 51658, 83102, 103316, 129145, 166204, 207755, 258290, 415510, 516580, 831020, 955673, 1911346, 3822692, 4778365, 9556730, 19113460]

約数ペア:

[(1, 19113460), (2, 9556730), (4, 4778365), (5, 3822692), (10, 1911346), (20, 955673), (23, 831020), (37, 516580), (46, 415510), (74, 258290), (92, 207755), (115, 166204), (148, 129145), (185, 103316), (230, 83102), (370, 51658), (460, 41551), (740, 25829), (851, 22460), (1123, 17020), (1702, 11230), (2246, 8510), (3404, 5615), (4255, 4492)]