19434220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74747}}^1$

素因数の和:74769

約数の個数: 24

約数和(自身を含む): 43951824

約数和(自身を除く): 24517604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74747, 149494, 298988, 373735, 747470, 971711, 1494940, 1943422, 3886844, 4858555, 9717110, 19434220]

約数ペア:

[(1, 19434220), (2, 9717110), (4, 4858555), (5, 3886844), (10, 1943422), (13, 1494940), (20, 971711), (26, 747470), (52, 373735), (65, 298988), (130, 149494), (260, 74747)]