18938310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 28417530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 89, 123, 173, 178, 205, 246, 267, 346, 410, 445, 519, 534, 615, 865, 890, 1038, 1230, 1335, 1730, 2595, 2670, 3649, 5190, 7093, 7298, 10947, 14186, 15397, 18245, 21279, 21894, 30794, 35465, 36490, 42558, 46191, 54735, 70930, 76985, 92382, 106395, 109470, 153970, 212790, 230955, 461910, 631277, 1262554, 1893831, 3156385, 3787662, 6312770, 9469155, 18938310]

約数ペア:

[(1, 18938310), (2, 9469155), (3, 6312770), (5, 3787662), (6, 3156385), (10, 1893831), (15, 1262554), (30, 631277), (41, 461910), (82, 230955), (89, 212790), (123, 153970), (173, 109470), (178, 106395), (205, 92382), (246, 76985), (267, 70930), (346, 54735), (410, 46191), (445, 42558), (519, 36490), (534, 35465), (615, 30794), (865, 21894), (890, 21279), (1038, 18245), (1230, 15397), (1335, 14186), (1730, 10947), (2595, 7298), (2670, 7093), (3649, 5190)]