19689208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31963}}^1$

素因数の和:31987

約数の個数: 32

約数和(自身を含む): 46028160

約数和(自身を除く): 26338952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 31963, 63926, 127852, 223741, 255704, 351593, 447482, 703186, 894964, 1406372, 1789928, 2461151, 2812744, 4922302, 9844604, 19689208]

約数ペア:

[(1, 19689208), (2, 9844604), (4, 4922302), (7, 2812744), (8, 2461151), (11, 1789928), (14, 1406372), (22, 894964), (28, 703186), (44, 447482), (56, 351593), (77, 255704), (88, 223741), (154, 127852), (308, 63926), (616, 31963)]